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27,513
DOC: rewrite DataFrame.set_index docstring
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2019-07-22T02:22:37Z
2019-08-02T14:43:13Z
2019-07-31T14:13:07Z
NONE
null
The docstring for DataFrame is a little confusing about the cases it supports. Explain the 3 cases: 1. specify a column to be used as new index labels 2. pass a like-length array of new index labels 3. pass a mixed list of either, each item becoming a levels of a MultiIndex. and clarify the meaning of `append` in this context as adding new MultiIndex levels.
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27,514
Make documentation runnable on binder
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2019-07-22T03:05:22Z
2019-07-22T18:33:40Z
null
CONTRIBUTOR
null
I was playing around with a getting our docs runnable on binder today. The tldr is that you can run them at https://mybinder.org/v2/gh/TomAugspurger/pandas-binder/master?filepath=build%2Fjupyter%2Fgetting_started%2F10min.ipynb The source is at https://github.com/TomAugspurger/pandas-binder. --- Overall, I think this is neat. It uses sphinxcontrib-jupyter to turn our (lightly modified) ReST files to Jupyter notebooks. There are a few changes to the pandas source that I'd like to propose 1. Adding a little boilerplate to the user guide and getting started pages to link to the runnable version (see https://github.com/dask/dask-examples/blob/d7a69122d9c1c24f6583e7d46cd089cf1eb70ae8/conf.py#L49) 2. Maybe restructuring our jinja `{{ header }}` to be an explicit code block in each page (it doesn't seem to play well with `sphinxcontrib-jupyter`). I can probably make a workaround though. Lots of things are probably broken (e.g. refs like :ref:`DataFrame`) don't resolve correctly. But I'm happy with this as a work in progress.
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Not sure if that's a bug: if a CSV is read and less names are given, than there are names, it creats an index
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2021-07-10T18:41:17Z
2021-07-10T18:41:17Z
NONE
null
``` # note the , at the end of the line raw=""" 1, 0.614, -7.798, -1.465, -6.117, 3.050, 5.231,0x42ef4, 1, 0.615, -7.798, -1.465, -6.109, 3.049, 5.231,0x42f05, 1, 0.616, -7.798, -1.465, -6.097, 3.045, 5.232,0x42f15, 1, 0.615, -7.798, -1.465, -6.108, 3.048, 5.232,0x42f26, 1, 0.614, -7.798, -1.465, -6.121, 3.051, 5.230,0x42f37, 1, 0.615, -7.798, -1.465, -6.107, 3.048, 5.230,0x42f47, 1, 0.616, -7.798, -1.465, -6.100, 3.046, 5.230,0x42f58, 1, 0.614, -7.798, -1.465, -6.116, 3.049, 5.230,0x42f69, """ # import 1 colnames = [ 'sensor', 'x', 'y', 'z', 'azimuth', 'elevation', 'roll', 'hex'] df1= pd.read_csv(io.StringIO(raw), sep=',', names=colnames, index_col=None) # here hex contains NaN and the first column doesn't seem to have a name (it seems to become the index): sensor x y z azimuth elevation roll hex 1 0.614 -7.798 -1.465 -6.117 3.050 5.231 0x42ef4 NaN 1 0.615 -7.798 -1.465 -6.109 3.049 5.231 0x42f05 NaN 1 0.616 -7.798 -1.465 -6.097 3.045 5.232 0x42f15 NaN 1 0.615 -7.798 -1.465 -6.108 3.048 5.232 0x42f26 NaN 1 0.614 -7.798 -1.465 -6.121 3.051 5.230 0x42f37 NaN 1 0.615 -7.798 -1.465 -6.107 3.048 5.230 0x42f47 NaN 1 0.616 -7.798 -1.465 -6.100 3.046 5.230 0x42f58 NaN 1 0.614 -7.798 -1.465 -6.116 3.049 5.230 0x42f69 NaN # import 2 df2= pd.read_csv(io.StringIO(raw), sep=',', names=colnames, index_col=None, usecols=range(len(colnames))) # or which also works: # df2= pd.read_csv(io.StringIO(raw), sep=',', names=colnames, index_col=None, index_col=False) # here hex contains the hex string and the first column is named 'sensor', as expected: sensor x y z azimuth elevation roll hex 0 1 0.614 -7.798 -1.465 -6.117 3.050 5.231 0x42ef4 1 1 0.615 -7.798 -1.465 -6.109 3.049 5.231 0x42f05 2 1 0.616 -7.798 -1.465 -6.097 3.045 5.232 0x42f15 3 1 0.615 -7.798 -1.465 -6.108 3.048 5.232 0x42f26 4 1 0.614 -7.798 -1.465 -6.121 3.051 5.230 0x42f37 5 1 0.615 -7.798 -1.465 -6.107 3.048 5.230 0x42f47 6 1 0.616 -7.798 -1.465 -6.100 3.046 5.230 0x42f58 7 1 0.614 -7.798 -1.465 -6.116 3.049 5.230 0x42f69 ``` ```python See above ``` #### Problem description CSV files created by excel often contain extra field separators at the end of the line. In the example above it is one. This is interpreted as if there is an empty extra column and seems to "confuse" pandas, so it shifts the column names for some strange reason and leaves the first column instead of the last column unnamed. If I use usecols to force pandas to ignore the extra column, everything works fine. UPDATE: I just recognized, that in the first case the first column is used for the index. So maybe the behavior is intended like this. But I guess it is not a good default, because tools like excel tend to add extra separators at the end of lines without the user having a chance to even notice it, if they don't open the generated file using an editor. #### Expected Output I think pandas should assign the column names from left to right, so even without usecols, the first column should be named "sensor", but in fact the second column is named "sensor" instead without usecols. #### Output of ``pd.show_versions()`` <details> [paste the output of ``pd.show_versions()`` here below this line] pd.show_versions() INSTALLED VERSIONS ------------------ commit : None python : 3.7.3.final.0 python-bits : 64 OS : Linux OS-release : 5.0.0-20-generic machine : x86_64 processor : x86_64 byteorder : little LC_ALL : None LANG : de_DE.UTF-8 LOCALE : de_DE.UTF-8 pandas : 0.25.0 numpy : 1.16.4 pytz : 2018.9 dateutil : 2.7.3 pip : 18.1 setuptools : 41.0.1 Cython : 0.29.2 pytest : 3.10.1 hypothesis : None sphinx : 1.8.5 blosc : 1.7.0 feather : None xlsxwriter : None lxml.etree : 4.3.3 html5lib : 1.0.1 pymysql : None psycopg2 : None jinja2 : 2.10 IPython : 5.8.0 pandas_datareader: None bs4 : 4.7.1 bottleneck : None fastparquet : None gcsfs : None lxml.etree : 4.3.3 matplotlib : 3.0.2 numexpr : 2.6.9 odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : 1.3.0 sqlalchemy : 1.2.15 tables : 3.4.4 xarray : None xlrd : None xlwt : None xlsxwriter : None
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27,516
Partial string indexing returns ndarray rather than Series.
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2019-07-22T10:50:58Z
2019-08-05T06:40:49Z
2019-08-04T21:54:57Z
NONE
null
#### Code Sample, a copy-pastable example if possible ```python import pandas as pd import numpy as np print(pd.__version__) df_pass = pd.DataFrame(index=range(1,1000), columns=['A', 'B', 'C']) df_pass.loc[:, :] = np.random.uniform(-100, 100, size=(len(df_pass.index), len(df_pass.columns))) print(df_pass.loc[range(1,500), 'A'].sum(skipna=False)) # everything is fine here df_fail = pd.DataFrame(index=pd.date_range('01-01-2005', '12-01-2006'), columns=['A', 'B', 'C']) df_fail .loc[:, :] = np.random.uniform(-100, 100, size=(len(df_fail .index), len(df_fail .columns))) print(df_fail .loc['2005', 'A'].sum(skipna=False)) # Here the type-error appears ``` Output: ``` 0.25.0 -847.9947710494175 --------------------------------------------------------------------------- TypeError Traceback (most recent call last) <ipython-input-20-26bdb9fa00f7> in <module>() 10 df_fail = pd.DataFrame(index=pd.date_range('01-01-2005', '12-01-2006'), columns=['A', 'B', 'C']) 11 df_fail .loc[:, :] = np.random.uniform(-100, 100, size=(len(df_fail .index), len(df_fail .columns))) ---> 12 print(df_fail .loc['2005', 'A'].sum(skipna=False)) # Here the type-error appears 13 ``` #### Problem description Before updating from 0.24.0 to 0.25.0 everything worked fine. I can also not see, that there was an API change here. I would expect, that the second sum, works without issues. #### Expected Output Output (something like): ``` 0.25.0 -847.9947710494175 -451.5691327012012 ``` #### Output of ``pd.show_versions()`` ``` INSTALLED VERSIONS ------------------ commit : None python : 3.6.5.final.0 python-bits : 64 OS : Windows OS-release : 10 machine : AMD64 processor : Intel64 Family 6 Model 78 Stepping 3, GenuineIntel byteorder : little LC_ALL : None LANG : None LOCALE : None.None pandas : 0.25.0 numpy : 1.14.3 pytz : 2018.4 dateutil : 2.7.3 pip : 19.1.1 setuptools : 39.1.0 Cython : 0.28.2 pytest : 3.10.0 hypothesis : None sphinx : None blosc : None feather : None xlsxwriter : 1.0.5 lxml.etree : 4.2.5 html5lib : 1.0.1 pymysql : None psycopg2 : 2.7.6.1 (dt dec pq3 ext lo64) jinja2 : 2.10 IPython : 6.4.0 pandas_datareader: None bs4 : 4.7.1 bottleneck : None fastparquet : None gcsfs : None lxml.etree : 4.2.5 matplotlib : 2.2.2 numexpr : None odfpy : None openpyxl : 2.6.0 pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : 1.1.0 sqlalchemy : 1.2.12 tables : None xarray : None xlrd : 1.1.0 xlwt : None xlsxwriter : 1.0.5 ```
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Allow plotting backend option context without matplotlib
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8
2019-07-22T12:58:00Z
2021-11-05T16:20:59Z
2021-07-10T18:41:51Z
CONTRIBUTOR
null
Right now, using `pd.option_context` to set the backend fails on `__exit__` when matplotlib isn't installed. ```python In [1]: import pandas as pd In [2]: with pd.option_context('plotting.backend', 'test'): ...: pass ...: --------------------------------------------------------------------------- ModuleNotFoundError Traceback (most recent call last) ~/sandbox/pandas/pandas/core/config_init.py in register_plotting_backend_cb(key) 593 try: --> 594 import pandas.plotting._matplotlib # noqa 595 except ImportError: ~/sandbox/pandas/pandas/plotting/_matplotlib/__init__.py in <module> 2 ----> 3 from pandas.plotting._matplotlib.boxplot import ( 4 BoxPlot, ~/sandbox/pandas/pandas/plotting/_matplotlib/boxplot.py in <module> 3 ----> 4 from matplotlib.artist import setp 5 import numpy as np ModuleNotFoundError: No module named 'matplotlib' During handling of the above exception, another exception occurred: ImportError Traceback (most recent call last) <ipython-input-2-08ebc0f8d5ad> in <module> 1 with pd.option_context('plotting.backend', 'test'): ----> 2 pass 3 ~/sandbox/pandas/pandas/_config/config.py in __exit__(self, *args) 410 if self.undo: 411 for pat, val in self.undo: --> 412 _set_option(pat, val, silent=True) 413 414 ~/sandbox/pandas/pandas/_config/config.py in _set_option(*args, **kwargs) 134 if silent: 135 with warnings.catch_warnings(record=True): --> 136 o.cb(key) 137 else: 138 o.cb(key) ~/sandbox/pandas/pandas/core/config_init.py in register_plotting_backend_cb(key) 595 except ImportError: 596 raise ImportError( --> 597 "matplotlib is required for plotting when the " 598 'default backend "matplotlib" is selected.' 599 ) ImportError: matplotlib is required for plotting when the default backend "matplotlib" is selected. ``` I don't believe that should raise an error. We may need to make the default option `None`, and then resole that to matplotlib later on.
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MDU6SXNzdWU0NzExMDk3MzU=
27,518
Remove DataFrame.append from the 10min intro
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4
2019-07-22T13:54:52Z
2019-08-02T12:43:47Z
2019-08-02T12:43:47Z
CONTRIBUTOR
null
We show it https://pandas.pydata.org/pandas-docs/stable/getting_started/10min.html#append. I don't think we should recommend it there, especially without providing context that the complexity of DataFrame.append is very different from list.append.
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471,110,065
MDU6SXNzdWU0NzExMTAwNjU=
27,519
Multiple lambdas for the same column return KeyError in DataFrameGroupBy.agg with named aggregation
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5
2019-07-22T13:55:31Z
2020-01-04T17:27:52Z
2019-08-30T14:47:17Z
NONE
null
#### Multiple lambdas for the same column return `KeyError` in `DataFrameGroupBy.agg` ```python In [1]: import pandas as pd In [2]: df = pd.DataFrame({"A": [1, 2]}) In [3]: df.groupby([1, 1]).agg(foo=('A', lambda x: x.max()), bar=('A', lambda x: x.min())) ``` ``` --------------------------------------------------------------------------- KeyError Traceback (most recent call last) <ipython-input-58-5b7e2c8bacf8> in <module> 3 df = pd.DataFrame({"A": [1, 2]}) 4 ----> 5 df.groupby([1, 1]).agg(foo=('A', lambda x: x.max()), bar=("A", lambda x: x.min())) ~\AppData\Local\Continuum\anaconda3\envs\insight\lib\site-packages\pandas\core\groupby\generic.py in aggregate(self, arg, *args, **kwargs) 1453 @Appender(_shared_docs["aggregate"]) 1454 def aggregate(self, arg=None, *args, **kwargs): -> 1455 return super().aggregate(arg, *args, **kwargs) 1456 1457 agg = aggregate ~\AppData\Local\Continuum\anaconda3\envs\insight\lib\site-packages\pandas\core\groupby\generic.py in aggregate(self, func, *args, **kwargs) 262 263 if relabeling: --> 264 result = result[order] 265 result.columns = columns 266 ~\AppData\Local\Continuum\anaconda3\envs\insight\lib\site-packages\pandas\core\frame.py in __getitem__(self, key) 2979 if is_iterator(key): 2980 key = list(key) -> 2981 indexer = self.loc._convert_to_indexer(key, axis=1, raise_missing=True) 2982 2983 # take() does not accept boolean indexers ~\AppData\Local\Continuum\anaconda3\envs\insight\lib\site-packages\pandas\core\indexing.py in _convert_to_indexer(self, obj, axis, is_setter, raise_missing) 1269 # When setting, missing keys are not allowed, even with .loc: 1270 kwargs = {"raise_missing": True if is_setter else raise_missing} -> 1271 return self._get_listlike_indexer(obj, axis, **kwargs)[1] 1272 else: 1273 try: ~\AppData\Local\Continuum\anaconda3\envs\insight\lib\site-packages\pandas\core\indexing.py in _get_listlike_indexer(self, key, axis, raise_missing) 1076 1077 self._validate_read_indexer( -> 1078 keyarr, indexer, o._get_axis_number(axis), raise_missing=raise_missing 1079 ) 1080 return keyarr, indexer ~\AppData\Local\Continuum\anaconda3\envs\insight\lib\site-packages\pandas\core\indexing.py in _validate_read_indexer(self, key, indexer, axis, raise_missing) 1161 raise KeyError( 1162 "None of [{key}] are in the [{axis}]".format( -> 1163 key=key, axis=self.obj._get_axis_name(axis) 1164 ) 1165 ) KeyError: "None of [MultiIndex([('A', '<lambda>'),\n ('A', '<lambda>')],\n )] are in the [columns]" ``` #### Problem description When using the new groupby aggregation with relabeling API in pandas 0.25.0, a `KeyError` is raised when the same source column is used with multiple lambdas, as in the example above. This issue isn't present when using multiple lambdas with `SeriesGroupBy`, as in [the release notes](https://pandas.pydata.org/pandas-docs/stable/whatsnew/v0.25.0.html#groupby-aggregation-with-multiple-lambdas). @TomAugspurger notes also that in `DataFrameGroupby.aggregate`, `order` needs to be mangled too. #### Expected Output ```python Out[3]: foo bar 1 2 2 ``` ##### Bonus related issue If the applied function has the same name, a `SpecificationError` is raised with the message `Function names must be unique, found multiple named mean`, even though the kwargs are different: ```python df.groupby([1, 1]).agg(mean=('A', 'mean'), another_mean=('A', 'mean')) ``` (Obviously this is a silly example, but I encountered it having defined a closure for `np.percentile` to get around the lambda issue!) #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : None python : 3.7.3.final.0 python-bits : 64 OS : Windows OS-release : 10 machine : AMD64 processor : Intel64 Family 6 Model 142 Stepping 9, GenuineIntel byteorder : little LC_ALL : None LANG : None LOCALE : None.None pandas : 0.25.0 numpy : 1.16.4 pytz : 2019.1 dateutil : 2.8.0 pip : 19.1.1 setuptools : 41.0.1 Cython : None pytest : None hypothesis : None sphinx : 2.0.1 blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : None pymysql : None psycopg2 : 2.8.2 (dt dec pq3 ext lo64) jinja2 : 2.10.1 IPython : 7.5.0 pandas_datareader: None bs4 : None bottleneck : None fastparquet : None gcsfs : None lxml.etree : None matplotlib : 3.1.0 numexpr : None odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : 1.3.0 sqlalchemy : 1.3.3 tables : None xarray : None xlrd : 1.2.0 xlwt : None xlsxwriter : None </details>
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27,520
DOC:Remove DataFrame.append from the 10min intro
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8
2019-07-22T14:44:09Z
2019-08-02T16:10:02Z
2019-08-02T12:43:47Z
CONTRIBUTOR
null
Remove the `append` section from 10 min intro doc as complexity of that is very different than `list.append` - [x] closes #27518
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27,521
Backport PR #27510 on branch 0.25.x (BUG: Retain tz transformation in groupby.transform)
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5
2019-07-22T15:28:18Z
2019-07-24T11:56:59Z
2019-07-24T11:56:58Z
NONE
null
Backport PR #27510: BUG: Retain tz transformation in groupby.transform
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27,522
DEPR: pandas/core
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2019-07-22T16:13:35Z
2021-06-11T13:35:46Z
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CONTRIBUTOR
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we have a documentation note that pandas.core is private but we need an actual deprecation see discussion starting here: https://github.com/pandas-dev/pandas/issues/27471#issuecomment-513847689
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471,184,650
MDExOlB1bGxSZXF1ZXN0Mjk5OTUwMTA1
27,523
CLN: refactor roll_generic to call roll_generic_with_indexer
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2019-07-22T16:43:56Z
2019-08-02T14:45:53Z
2019-07-26T14:54:36Z
NONE
null
Make it possible for users to directly supply their own indexer when pandas doesn't provide what they want out of the box. This is useful for quickly doing something like "groupby" with overlapping groups (xref #26959) and/or strided rolling.
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471,263,665
MDU6SXNzdWU0NzEyNjM2NjU=
27,524
Inconsistent SettingWithCopyError behaviour
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9
2019-07-22T19:07:57Z
2019-07-29T12:04:45Z
2019-07-29T12:04:45Z
NONE
null
Consider the following minimal example: ```python import pandas as pd if __name__ == '__main__': pd.options.mode.chained_assignment = 'raise' # two identical data frames df1 = pd.DataFrame(data=[[1, 2], [3, 4]], columns=['c1', 'c2']) df2 = pd.DataFrame(data=[[1, 2], [3, 4]], columns=['c1', 'c2']) # manipulate df1 a bit df1 = df1[~df1.c1.isin([3])] df1['c3'] = 'foo' # a function doing the exact same manipulations def f(df): df = df[~df.c1.isin([3])] df['c3'] = 'foo' # call that function with df2 - boom f(df2) ``` #### Problem description Note that the manipulations on `df1` execute with no issues. The function call `f(df2)`, however, which does the exact same thing, fails with a SettingWithCopyError. #### Expected Output 1. I don't see why that error should be thrown in the first place because I don't see a 'chained assignment'. 2. It's inconsistent that the behavior for df1 and df2 is different despite the same code being executed on those two identical data frames. 3. If I'm wrong and the error does indeed make sense for the function call for whatever reason then I wonder how I'm supposed to perform these manipulations in a function without the error being thrown and without unnecessarily calling `.copy()` after each manipulation step. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit: None python: 3.7.3.final.0 python-bits: 64 OS: Windows OS-release: 7 machine: AMD64 processor: Intel64 Family 6 Model 60 Stepping 3, GenuineIntel byteorder: little LC_ALL: None LANG: None LOCALE: None.None pandas: 0.24.2 pytest: None pip: 19.1 setuptools: 41.0.1 Cython: None numpy: 1.16.3 scipy: 1.2.1 pyarrow: None xarray: None IPython: 7.5.0 sphinx: None patsy: None dateutil: 2.8.0 pytz: 2019.1 blosc: None bottleneck: None tables: None numexpr: None feather: None matplotlib: 3.0.3 openpyxl: None xlrd: 1.2.0 xlwt: None xlsxwriter: None lxml.etree: None bs4: 4.7.1 html5lib: None sqlalchemy: 1.3.3 pymysql: None psycopg2: 2.8.2 (dt dec pq3 ext lo64) jinja2: 2.10.1 s3fs: None fastparquet: None pandas_gbq: None pandas_datareader: None gcsfs: None </details>
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471,285,537
MDExOlB1bGxSZXF1ZXN0MzAwMDEzNDgy
27,525
DEPR: NDFrame.set_axis inplace defaults to false
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1
2019-07-22T19:49:33Z
2019-08-02T14:45:25Z
2019-07-25T23:50:27Z
NONE
null
https://github.com/pandas-dev/pandas/blob/76247c142893c710e970c4cf8a25d73121aa5a2b/pandas/core/generic.py#L594-L598 has been there since #20164, part of 0.21.0 With discussion of plans to deprecate similar functionality from set_index in #24046, it's time to make sure `set_axis` conforms to the rest of pandas in this.
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471,367,450
MDU6SXNzdWU0NzEzNjc0NTA=
27,526
Groupby Array-Type Quantiles Broken in 0.25.0
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11
2019-07-22T22:28:47Z
2020-04-23T22:29:47Z
2019-08-22T11:28:37Z
NONE
null
#### Code Sample ```python import pandas as pd df = pd.DataFrame({ 'category': ['A', 'A', 'A', 'A', 'A', 'A', 'B', 'B', 'B', 'B', 'B', 'B'], 'value': [1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6] }) quantiles = df.groupby('category').quantile([0.25, 0.5, 0.75]) print(quantiles) ``` #### Problem description In previous versions of Pandas `< 0.25.0` and in the documentation it is possible to pass an array-type of quantiles into the `DataFrameGroupBy.quantile()` method to return multiple quantile values in a single call. However, upon installation of `0.25.0` the following error results instead: ``` Traceback (most recent call last): File "example.py", line 8, in <module> quantiles = df.groupby('category').quantile([0.25, 0.5, 0.75]) File "/usr/local/lib/python3.7/site-packages/pandas/core/groupby/groupby.py", line 1908, in quantile interpolation=interpolation, File "/usr/local/lib/python3.7/site-packages/pandas/core/groupby/groupby.py", line 2248, in _get_cythonized_result func(**kwargs) # Call func to modify indexer values in place File "pandas/_libs/groupby.pyx", line 69 ``` #### Expected Output Using Pandas `0.24.2` the output is: ``` value category A 0.25 2.25 0.50 3.50 0.75 4.75 B 0.25 2.25 0.50 3.50 0.75 4.75 ``` #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : None python : 3.7.4.final.0 python-bits : 64 OS : Linux OS-release : 4.9.125-linuxkit machine : x86_64 processor : byteorder : little LC_ALL : None LANG : en_US.UTF-8 LOCALE : en_US.UTF-8 pandas : 0.25.0 numpy : 1.16.4 pytz : 2019.1 dateutil : 2.8.0 pip : 19.1.1 setuptools : 41.0.1 Cython : None pytest : 5.0.1 hypothesis : None sphinx : 2.1.2 blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : None pymysql : None psycopg2 : None jinja2 : 2.10.1 IPython : None pandas_datareader: None bs4 : 4.8.0 bottleneck : None fastparquet : None gcsfs : None lxml.etree : None matplotlib : 3.1.1 numexpr : 2.6.9 odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : 0.3.0 scipy : 1.3.0 sqlalchemy : None tables : 3.5.2 xarray : None xlrd : None xlwt : None xlsxwriter : None </details>
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27,527
TYPING: type hints for core.indexing
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5
2019-07-22T22:46:31Z
2019-07-28T10:14:09Z
2019-07-28T10:14:09Z
MEMBER
null
cc @WillAyd Any is added in a separate commit in case we can't come to an agreement ;)
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471,380,441
MDU6SXNzdWU0NzEzODA0NDE=
27,528
read_csv() causes S3 ListObjectsV2 AccessDenied
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4
2019-07-22T23:01:11Z
2019-08-09T19:54:59Z
2019-08-09T19:54:59Z
NONE
null
#### Code Sample ```python import pandas as pd import s3fs file_1 = f"s3://my-bucket/foo.csv" file_2 = f"s3://my-bucket/bar.csv" fs = s3fs.S3FileSystem() if fs.exists(file_2): fs.rm(file_2) # read file_1 which will be committed to the s3fs cache df = pd.read_csv(file_1) # copy existing file, path for file_2 is not in s3fs cache fs.copy(file_1, file_2) # s3fs.S3FileSystem.cachable = False # <--------------- WORKAROUND df_ = pd.read_csv(file_2) ``` #### Problem description The above code snippet throws a `PermissionError: Access Denied` when it shouldn't. This happens even when I use admin rights for the AWS account to which the affected bucket belongs (`{"Effect": "Allow", "Action": "*", "Resource": "*"}`). There may actually be two issues and the above workaround fixes only one, so that the second issue doesn't affect me in my specific case. In the background `s3fs` is used to read files directly from S3. `s3fs` uses caching. This is why, when reading `file_2` a `FileNotFoundError` is initially raised (only `file_1` is in the cache after it's been read). This initial error can be fixed with the above workaround. Without the workaround the initial `FileNotFoundError` is handled, seemingly, to specifically address the problem caused by the caching mechanism. The next error in the traceback is: `botocore.exceptions.ClientError: An error occurred (AccessDenied) when calling the ListObjectsV2 operation: Access Denied`. (My assumption is that a list operation is used in an attempt to verify that the file does, in fact, not exist, instead of relying on the cache.) I'm not quite sure how this is possible or what exactly is going on here. There doesn't seem to be a `ListObjectsV2` action [documented by AWS](https://docs.aws.amazon.com/AmazonS3/latest/dev/using-with-s3-actions.html). But even if there was, it should be covered when using admin rights. 1. Is there a parameter for `read_csv()` that I'm missing to avoid using the `s3fs` caching mechanism? 2. Is `ListObjectsV2` a special/new/old S3 action that I need to set permissions for separately from the admin rights? Note: I submitted a very similar [issue with dask](https://github.com/dask/dask/issues/5134) which, in parts, uses pandas under the hood. Even though for the problem described here, fixing the Access Denied issue might suffice, it may be useful to have a parameter to disable `s3fs` caching so it can be used by dask also. I didn't run into the `AccessDenied` issue with dask, so it seems fixing only that wouldn't help with the dask issue. Just something to keep in mind. #### Output of ``pd.show_versions()`` <details> [paste the output of ``pd.show_versions()`` here below this line] INSTALLED VERSIONS ------------------ commit : None python : 3.7.2.final.0 python-bits : 64 OS : Darwin OS-release : 18.6.0 machine : x86_64 processor : i386 byteorder : little LC_ALL : en_US.UTF-8 LANG : en_US.UTF-8 LOCALE : en_US.UTF-8 pandas : 0.25.0 numpy : 1.16.4 pytz : 2019.1 dateutil : 2.8.0 pip : 19.1.1 setuptools : 41.0.1 Cython : None pytest : None hypothesis : None sphinx : None blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : None pymysql : None psycopg2 : None jinja2 : None IPython : None pandas_datareader: None bs4 : None bottleneck : None fastparquet : None gcsfs : None lxml.etree : None matplotlib : None numexpr : None odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : 0.3.0 scipy : None sqlalchemy : None tables : None xarray : None xlrd : None xlwt : None xlsxwriter : None </details>
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471,404,323
MDExOlB1bGxSZXF1ZXN0MzAwMDc5Mjgx
27,529
BUG: Fix fields functions with readonly data, vaex#357
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4
2019-07-22T23:49:50Z
2019-07-24T13:22:20Z
2019-07-24T03:47:55Z
MEMBER
null
- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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471,420,920
MDExOlB1bGxSZXF1ZXN0MzAwMDg1NjQz
27,530
CLN: remove arrmap, closes #27251
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6
2019-07-23T00:25:28Z
2019-07-23T21:39:50Z
2019-07-23T21:14:23Z
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471,422,896
MDExOlB1bGxSZXF1ZXN0MzAwMDg2MzI4
27,531
CLN: simplify join take call
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1
2019-07-23T00:29:55Z
2019-07-24T13:21:25Z
2019-07-24T11:56:26Z
MEMBER
null
We can track down the dtypes that get passed to `_get_result_indexer`, and since it is always int64/int64, we can reduce the call to `algos.take_nd` down to a direct cython call. This removes the dependency of this module on non-cython parts of the code
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471,441,107
MDU6SXNzdWU0NzE0NDExMDc=
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ModuleNotFoundError: No module named '_lzma'
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2019-07-23T01:16:17Z
2021-04-19T08:18:03Z
2019-07-23T03:59:52Z
NONE
null
#### Code Sample, a copy-pastable example if possible ```python #!/usr/bin/env python # -*- coding: utf-8 -*- import pandas ``` #### Problem description Can't import last `pandas` release (0.25.0). I've installed `pandas` using `pipenv`: ``` $ pipenv --three $ pipenv shell [pandas-lzma-error-bWkvwYXV]$ pipenv install pandas Installing pandas... Adding pandas to Pipfile's [packages]... ✔ Installation Succeeded Pipfile.lock not found, creating... Locking [dev-packages] dependencies... Locking [packages] dependencies... ✔ Success! Updated Pipfile.lock (713200)! Installing dependencies from Pipfile.lock (713200)... 🐍 ▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉ 5/5 — 00:00:01 ``` Test import: ``` [pandas-lzma-error-bWkvwYXV]$ /usr/bin/env python Python 3.7.1 (default, Nov 23 2018, 11:31:00) [GCC 7.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import pandas Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/user/.virtualenvs/pandas-lzma-error-bWkvwYXV/lib/python3.7/site-packages/pandas/__init__.py", line 55, in <module> from pandas.core.api import ( File "/home/user/.virtualenvs/pandas-lzma-error-bWkvwYXV/lib/python3.7/site-packages/pandas/core/api.py", line 24, in <module> from pandas.core.groupby import Grouper, NamedAgg File "/home/user/.virtualenvs/pandas-lzma-error-bWkvwYXV/lib/python3.7/site-packages/pandas/core/groupby/__init__.py", line 1, in <module> from pandas.core.groupby.generic import ( # noqa: F401 File "/home/user/.virtualenvs/pandas-lzma-error-bWkvwYXV/lib/python3.7/site-packages/pandas/core/groupby/generic.py", line 44, in <module> from pandas.core.frame import DataFrame File "/home/user/.virtualenvs/pandas-lzma-error-bWkvwYXV/lib/python3.7/site-packages/pandas/core/frame.py", line 88, in <module> from pandas.core.generic import NDFrame, _shared_docs File "/home/user/.virtualenvs/pandas-lzma-error-bWkvwYXV/lib/python3.7/site-packages/pandas/core/generic.py", line 71, in <module> from pandas.io.formats.format import DataFrameFormatter, format_percentiles File "/home/user/.virtualenvs/pandas-lzma-error-bWkvwYXV/lib/python3.7/site-packages/pandas/io/formats/format.py", line 47, in <module> from pandas.io.common import _expand_user, _stringify_path File "/home/user/.virtualenvs/pandas-lzma-error-bWkvwYXV/lib/python3.7/site-packages/pandas/io/common.py", line 9, in <module> import lzma File "/home/user/.pyenv/versions/3.7.1/lib/python3.7/lzma.py", line 27, in <module> from _lzma import * ModuleNotFoundError: No module named '_lzma' >>> ``` Downgrading to 0.24.2 fixes this issue. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit: None python: 3.7.1.final.0 python-bits: 64 OS: Linux OS-release: 4.15.0-55-generic machine: x86_64 processor: x86_64 byteorder: little LC_ALL: None LANG: ru_RU.UTF-8 LOCALE: ru_RU.UTF-8 pandas: 0.25.0 pytest: None pip: 19.1.1 setuptools: 41.0.1 Cython: None numpy: 1.16.4 scipy: None pyarrow: None xarray: None IPython: None sphinx: None patsy: None dateutil: 2.8.0 pytz: 2019.1 blosc: None bottleneck: None tables: None numexpr: None feather: None matplotlib: None openpyxl: None xlrd: None xlwt: None xlsxwriter: None lxml.etree: None bs4: None html5lib: None sqlalchemy: None pymysql: None psycopg2: None jinja2: None s3fs: None fastparquet: None pandas_gbq: None pandas_datareader: None gcsfs: None None </details>
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MDExOlB1bGxSZXF1ZXN0MzAwMDk3MTc4
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DEPR: remove .ix tests from tests/indexing/test_floats.py
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2019-07-23T01:42:23Z
2019-07-24T11:55:49Z
2019-07-23T21:57:21Z
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471,450,268
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27,534
STY: add pandas._typing to the known_pre_core block for isort
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27,536
xfail to fix CI
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7
2019-07-23T03:06:51Z
2019-07-23T14:56:07Z
2019-07-23T11:42:41Z
MEMBER
null
to keep the wheels running while I troubleshoot this
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471,478,799
MDExOlB1bGxSZXF1ZXN0MzAwMTIxOTA4
27,537
TST: label-based indexing fails with certain list indexers in case of…
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1
2019-07-23T04:17:32Z
2019-07-24T11:54:51Z
2019-07-23T21:16:16Z
MEMBER
null
… mixed integers/strings columns names - [ ] closes #14836 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [n/a ] whatsnew entry
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471,523,534
MDExOlB1bGxSZXF1ZXN0MzAwMTU2ODk3
27,538
COMPAT: remove Categorical pickle compat with Pandas < 0.16
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13
2019-07-23T07:12:56Z
2019-09-19T19:57:00Z
2019-09-19T16:06:40Z
CONTRIBUTOR
null
- [ ] closes #xxxx - [ ] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry Removes Categorical pickle compat with Pandas < 0.16. I've added a ``categorical.pickle`` file to replace the deprecated file. It was create like this: ```python >>> cat = pd.Categorical(['a', 'b', 'c', 'd']) >>> pickle.dump(cat, open(<filepath>, 'wb')) ```
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471,531,815
MDU6SXNzdWU0NzE1MzE4MTU=
27,539
Dataframe construction from numba typed list
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4
2019-07-23T07:34:01Z
2020-06-28T03:49:06Z
null
NONE
null
#### Code Sample, a copy-pastable example if possible ```python import pandas as pd import numba a = numba.typed.List() a.append(1) a.append(2) pd.DataFrame(a) ``` raises with ```pytb --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) <ipython-input-17-0844eae3ab56> in <module> 6 a.append(2) 7 ----> 8 pd.DataFrame(a) ~/sandbox/pandas/pandas/core/frame.py in __init__(self, data, index, columns, dtype, copy) 458 mgr = arrays_to_mgr(arrays, columns, index, columns, dtype=dtype) 459 else: --> 460 mgr = init_ndarray(data, index, columns, dtype=dtype, copy=copy) 461 else: 462 mgr = init_dict({}, index, columns, dtype=dtype) ~/sandbox/pandas/pandas/core/internals/construction.py in init_ndarray(values, index, columns, dtype, copy) 158 # by definition an array here 159 # the dtypes will be coerced to a single dtype --> 160 values = prep_ndarray(values, copy=copy) 161 162 if dtype is not None: ~/sandbox/pandas/pandas/core/internals/construction.py in prep_ndarray(values, copy) 279 values = values.copy() 280 --> 281 if values.ndim == 1: 282 values = values.reshape((values.shape[0], 1)) 283 elif values.ndim != 2: AttributeError: 'List' object has no attribute 'ndim' ``` #### Problem description Numba since version 0.45 provides a new typed list class that allows fast manipulation of lists in compiled code. Construction of a pandas DataFrame from such a typed list is not straightforward, however. First one cannot put such an object directly into the Dataframe constructor, but one has to convert it to a list or numpy array first. Second, the conversion is slow. In the above example it takes one second on my machine if I convert the typed list of 100000 float32 values into a list and then put it into pandas. If I convert the typed list into a numpy array it takes almost 2 seconds. Conversely, constructing a DataFrame from a conventional list or numpy array takes only about 1/100 seconds. I wonder if it is possible to write a more efficient Dataframe constructor that uses numba typed lists as input. #### Expected Output #### Output of ``pd.show_versions()`` <details> [paste the output of ``pd.show_versions()`` here below this line] </details>
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471,641,953
MDU6SXNzdWU0NzE2NDE5NTM=
27,540
memory usage of index changes after access
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1
2019-07-23T11:29:23Z
2019-07-23T11:41:09Z
2019-07-23T11:40:58Z
NONE
null
#### Code Sample, a copy-pastable example if possible ```python import pandas as pd import numpy as np index = list(range(1000)) df = pd.DataFrame(data=np.random.rand(1000,10), index = index) df.head() print("This is the memory usage before accessing the DataFrame:") print(df.memory_usage(index=True)) _ = df.loc[df.first_valid_index(),:] # Accessing the DataFrame without modifying it print("This is the memory usage after accessing the DataFrame:") print(df.memory_usage(index=True)) ``` Output: ``` This is the memory usage before accessing the DataFrame: Index 8000 0 8000 1 8000 2 8000 3 8000 4 8000 5 8000 6 8000 7 8000 8 8000 9 8000 dtype: int64 This is the memory usage after accessing the DataFrame: Index 48960 0 8000 1 8000 2 8000 3 8000 4 8000 5 8000 6 8000 7 8000 8 8000 9 8000 dtype: int64 ``` #### Problem description The memory usage increases after accessing the dataframe, although the access should not modify the index at all. I expected the memory usage not to change. #### Expected Output ``` This is the memory usage before accessing the DataFrame: Index 8000 0 8000 1 8000 2 8000 3 8000 4 8000 5 8000 6 8000 7 8000 8 8000 9 8000 dtype: int64 This is the memory usage after accessing the DataFrame: Index 8000 0 8000 1 8000 2 8000 3 8000 4 8000 5 8000 6 8000 7 8000 8 8000 9 8000 dtype: int64 ``` #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit: None python: 3.7.3.final.0 python-bits: 64 OS: Linux OS-release: 4.9.125-linuxkit machine: x86_64 processor: x86_64 byteorder: little LC_ALL: en_US.UTF-8 LANG: en_US.UTF-8 LOCALE: en_US.UTF-8 pandas: 0.24.2 pytest: 5.0.1 pip: 19.1.1 setuptools: 41.0.1 Cython: 0.29.11 numpy: 1.16.4 scipy: 1.2.1 pyarrow: None xarray: 0.12.1 IPython: 7.6.1 sphinx: None patsy: 0.5.1 dateutil: 2.8.0 pytz: 2019.1 blosc: None bottleneck: None tables: 3.5.2 numexpr: 2.6.9 feather: None matplotlib: 3.1.0 openpyxl: None xlrd: 1.2.0 xlwt: None xlsxwriter: 1.1.8 lxml.etree: 4.3.4 bs4: 4.7.1 html5lib: None sqlalchemy: 1.3.5 pymysql: None psycopg2: 2.7.6.1 (dt dec pq3 ext lo64) jinja2: 2.10.1 s3fs: None fastparquet: 0.3.0 pandas_gbq: None pandas_datareader: None gcsfs: None </details>
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MDU6SXNzdWU0NzE2NzE2ODE=
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4
2019-07-23T12:36:26Z
2019-07-23T19:01:01Z
2019-07-23T19:01:01Z
CONTRIBUTOR
null
https://travis-ci.org/pandas-dev/pandas/builds/562549143 ``` INTERNALERROR> Traceback (most recent call last): INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/_pytest/main.py", line 213, in wrap_session INTERNALERROR> session.exitstatus = doit(config, session) or 0 INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/_pytest/main.py", line 257, in _main INTERNALERROR> config.hook.pytest_runtestloop(session=session) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/hooks.py", line 289, in __call__ INTERNALERROR> return self._hookexec(self, self.get_hookimpls(), kwargs) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/manager.py", line 87, in _hookexec INTERNALERROR> return self._inner_hookexec(hook, methods, kwargs) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/manager.py", line 81, in <lambda> INTERNALERROR> firstresult=hook.spec.opts.get("firstresult") if hook.spec else False, INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 208, in _multicall INTERNALERROR> return outcome.get_result() INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 80, in get_result INTERNALERROR> raise ex[1].with_traceback(ex[2]) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 187, in _multicall INTERNALERROR> res = hook_impl.function(*args) INTERNALERROR> File "<remote exec>", line 67, in pytest_runtestloop INTERNALERROR> File "<remote exec>", line 79, in run_one_test INTERNALERROR> IndexError: list index out of range [gw2] node down: Traceback (most recent call last): File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1374, in _save dispatch = self._dispatch[tp] KeyError: <enum 'ExitCode'> During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1063, in executetask do_exec(co, loc) # noqa File "<string>", line 1, in do_exec File "<remote exec>", line 249, in <module> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/hooks.py", line 289, in __call__ return self._hookexec(self, self.get_hookimpls(), kwargs) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/manager.py", line 87, in _hookexec return self._inner_hookexec(hook, methods, kwargs) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/manager.py", line 81, in <lambda> firstresult=hook.spec.opts.get("firstresult") if hook.spec else False, File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 208, in _multicall return outcome.get_result() File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 80, in get_result raise ex[1].with_traceback(ex[2]) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 187, in _multicall res = hook_impl.function(*args) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/_pytest/main.py", line 250, in pytest_cmdline_main return wrap_session(config, _main) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/_pytest/main.py", line 243, in wrap_session session=session, exitstatus=session.exitstatus File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/hooks.py", line 289, in __call__ return self._hookexec(self, self.get_hookimpls(), kwargs) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/manager.py", line 87, in _hookexec return self._inner_hookexec(hook, methods, kwargs) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/manager.py", line 81, in <lambda> firstresult=hook.spec.opts.get("firstresult") if hook.spec else False, File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 203, in _multicall gen.send(outcome) File "<remote exec>", line 46, in pytest_sessionfinish File "<remote exec>", line 31, in sendevent File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 708, in send self.gateway._send(Message.CHANNEL_DATA, self.id, dumps_internal(item)) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1345, in dumps_internal return _Serializer().save(obj) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1363, in save self._save(obj) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1381, in _save dispatch(self, obj) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1466, in save_tuple self._save(item) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1381, in _save dispatch(self, obj) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1462, in save_dict self._write_setitem(key, value) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1456, in _write_setitem self._save(value) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1381, in _save dispatch(self, obj) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1462, in save_dict self._write_setitem(key, value) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1456, in _write_setitem self._save(value) File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 1379, in _save raise DumpError("can't serialize {}".format(tp)) execnet.gateway_base.DumpError: can't serialize <enum 'ExitCode'> fReplacing crashed worker gw2 INTERNALERROR> Traceback (most recent call last): INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/_pytest/main.py", line 213, in wrap_session INTERNALERROR> session.exitstatus = doit(config, session) or 0 INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/_pytest/main.py", line 257, in _main INTERNALERROR> config.hook.pytest_runtestloop(session=session) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/hooks.py", line 289, in __call__ INTERNALERROR> return self._hookexec(self, self.get_hookimpls(), kwargs) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/manager.py", line 87, in _hookexec INTERNALERROR> return self._inner_hookexec(hook, methods, kwargs) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/manager.py", line 81, in <lambda> INTERNALERROR> firstresult=hook.spec.opts.get("firstresult") if hook.spec else False, INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 203, in _multicall INTERNALERROR> gen.send(outcome) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 80, in get_result INTERNALERROR> raise ex[1].with_traceback(ex[2]) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/pluggy/callers.py", line 187, in _multicall INTERNALERROR> res = hook_impl.function(*args) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/xdist/dsession.py", line 115, in pytest_runtestloop INTERNALERROR> self.loop_once() INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/xdist/dsession.py", line 138, in loop_once INTERNALERROR> call(**kwargs) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/xdist/dsession.py", line 207, in worker_errordown INTERNALERROR> self._clone_node(node) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/xdist/dsession.py", line 290, in _clone_node INTERNALERROR> node = self.nodemanager.setup_node(spec, self.queue.put) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/xdist/workermanage.py", line 68, in setup_node INTERNALERROR> gw = self.group.makegateway(spec) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/multi.py", line 127, in makegateway INTERNALERROR> io = gateway_io.create_io(spec, execmodel=self.execmodel) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_io.py", line 117, in create_io INTERNALERROR> return Popen2IOMaster(args, execmodel) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_io.py", line 20, in __init__ INTERNALERROR> self.popen = p = execmodel.PopenPiped(args) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/site-packages/execnet/gateway_base.py", line 169, in PopenPiped INTERNALERROR> return self.subprocess.Popen(args, stdout=PIPE, stdin=PIPE) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/subprocess.py", line 729, in __init__ INTERNALERROR> restore_signals, start_new_session) INTERNALERROR> File "/home/travis/miniconda3/envs/pandas-dev/lib/python3.6/subprocess.py", line 1295, in _execute_child INTERNALERROR> restore_signals, start_new_session, preexec_fn) INTERNALERROR> OSError: [Errno 12] Cannot allocate memory ```
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17
2019-07-23T13:53:36Z
2019-07-23T22:02:44Z
2019-07-23T19:01:01Z
CONTRIBUTOR
null
Closes https://github.com/pandas-dev/pandas/issues/27541
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471,813,958
MDU6SXNzdWU0NzE4MTM5NTg=
27,543
panda 0.25.0 no module named _lzma
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8
2019-07-23T16:56:57Z
2019-09-02T10:14:02Z
2019-07-23T17:56:31Z
NONE
null
``` import pandas as pd File "/usr/local/lib/python3.6/site-packages/pandas/__init__.py", line 55, in <module> from pandas.core.api import ( File "/usr/local/lib/python3.6/site-packages/pandas/core/api.py", line 24, in <module> from pandas.core.groupby import Grouper, NamedAgg File "/usr/local/lib/python3.6/site-packages/pandas/core/groupby/__init__.py", line 1, in <module> from pandas.core.groupby.generic import ( # noqa: F401 File "/usr/local/lib/python3.6/site-packages/pandas/core/groupby/generic.py", line 44, in <module> from pandas.core.frame import DataFrame File "/usr/local/lib/python3.6/site-packages/pandas/core/frame.py", line 88, in <module> from pandas.core.generic import NDFrame, _shared_docs File "/usr/local/lib/python3.6/site-packages/pandas/core/generic.py", line 71, in <module> from pandas.io.formats.format import DataFrameFormatter, format_percentiles File "/usr/local/lib/python3.6/site-packages/pandas/io/formats/format.py", line 47, in <module> from pandas.io.common import _expand_user, _stringify_path File "/usr/local/lib/python3.6/site-packages/pandas/io/common.py", line 9, in <module> import lzma File "/usr/local/lib/python3.6/lzma.py", line 27, in <module> from _lzma import * ModuleNotFoundError: No module named '_lzma' ``` #### Problem description After upgrading to pandas 0.25.0, started getting this error ```
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27,544
use keyword only args where appropriate
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8
2019-07-23T17:00:13Z
2021-07-10T18:45:42Z
null
CONTRIBUTOR
null
we should use keyword only arguments for some of our functions that have large numbers of kwargs to make it harder to make mistakes in the calling conventions, a prime example is [read_csv](https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.read_csv.html?highlight=read_csv#pandas.read_csv]. likely we want a signature ```def read_csv(self, filepath_or_buffer, *, .......``` IOW *all* args, except for the first should be kwargs. We could further modify a fair number of functions, so will treat this as a tracking issue.
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27,545
CI: troubleshoot failures that necessited #27536
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2
2019-07-23T17:28:29Z
2019-07-23T22:59:06Z
2019-07-23T22:33:09Z
MEMBER
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27,546
Cleanup CI environment files after #27542
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2
2019-07-23T19:02:31Z
2019-07-24T11:14:58Z
2019-07-24T11:14:58Z
CONTRIBUTOR
null
https://github.com/pandas-dev/pandas/pull/27542 got CI passing again by removing matplotlib from a couple of the slow travis jobs. We should verify that 1. We still have adequate matplotlib coverage (I think we do) 2. We can remove the pytest and pytest-xdist pins Also monitor https://travis-ci.community/t/builds-often-fail-because-of-lack-of-resources-memory-cpu/4331 to see if travis brings back higher memory workers.
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read.sql fails with adodbapi connection
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14
2019-07-23T20:47:40Z
2019-10-02T22:03:34Z
2019-09-18T07:17:20Z
CONTRIBUTOR
null
#### Code Sample ```python import pandas as pd import adodbapi conn = adodbapi.connect(r'Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Path\To\MS\Access\DB.accdb;') df = pd.read_sql("SELECT TOP 10 * FROM myTable", conn) print(df) conn.close() ``` #### Problem description Similar to this recent [python-forum.io](https://python-forum.io/Thread-Key-error-when-using-adodbapi-azure-and-pandas) post, `pandas.read_sql` does not work with the older module, [adodbapi](https://pypi.org/project/adodbapi/), which adheres to Python's DB-API 2.0 (PEP-249) standard and allows interfacing with OLEDB providers, a recognized, industry API for data sources. Above makes a successful connection to an MS Access database in Windows environment. However, the `pandas.read_sql` results in following error: ``` Traceback (most recent call last): File "OleDBConnection.py", line 14, in <module> df = pd.read_sql("SELECT TOP 10 * FROM Random_Data", conn) File "C:\Users\ParfaitG\AppData\Roaming\Python\Python37\site-packages\pandas\io\sql.py", line 380, in read_sql chunksize=chunksize) File "C:\Users\ParfaitG\AppData\Roaming\Python\Python37\site-packages\pandas\io\sql.py", line 1482, in read_query parse_dates=parse_dates) File "C:\Users\ParfaitG\AppData\Roaming\Python\Python37\site-packages\pandas\io\sql.py", line 141, in _wrap_result coerce_float=coerce_float) File "C:\Users\ParfaitG\AppData\Roaming\Python\Python37\site-packages\pandas\core\frame.py", line 1512, in from_records coerce_float=coerce_float) File "C:\Users\ParfaitG\AppData\Roaming\Python\Python37\site-packages\pandas\core\internals\construction.py", line 408, in to_arrays elif isinstance(data[0], ABCSeries): File "C:\Users\ParfaitG\AppData\Roaming\Python\Python37\site-packages\pandas\core\dtypes\generic.py", line 9, in _check return getattr(inst, attr, '_typ') in comp File "C:\Users\ParfaitG\AppData\Roaming\Python\Python37\site-packages\adodbapi\apibase.py", line 474, in __getattr__ return self._getValue(self.rows.columnNames[name.lower()]) KeyError: '_typ' ``` Do note: a regular `cursor.execute` and `cursor.fetchall` works successfully without issue using `adodbapi` with or without parameters: ```python conn = adodbapi.connect(r'Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Path\To\MS\Access\DB.accdb;') cur = conn.cursor() cur.execute("SELECT TOP 10 * FROM myTable WHERE [value] >= ? AND [value] <= ?", (10, 50)) for row in cur.fetchall(): print(row) ``` #### Expected Output Desired result would be exact data frame construction from `read_sql` as rendered successfully with `pyodbc` which makes an ODBC connection (another industry recognized API to data sources) to the same database: ```python import pandas as pd import pyodbc conn = pyodbc.connect(r'DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=C:\Path\To\MS\Access\DB.accdb;') df = pd.read_sql("SELECT TOP 10 * FROM myTable", conn) print(df) conn.close() ``` #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit: None python: 3.7.2.final.0 python-bits: 64 OS: Windows OS-release: 10 machine: AMD64 processor: Intel64 Family 6 Model 63 Stepping 2, GenuineIntel byteorder: little LC_ALL: None LANG: None LOCALE: None.None pandas: 0.24.1 pytest: None pip: 19.1.1 setuptools: 40.6.2 Cython: None numpy: 1.15.4 scipy: 1.2.1 pyarrow: None xarray: None IPython: None sphinx: None patsy: 0.5.1 dateutil: 2.8.0 pytz: 2018.9 blosc: None bottleneck: None tables: None numexpr: None feather: None matplotlib: 3.0.2 openpyxl: 2.6.2 xlrd: None xlwt: None xlsxwriter: None lxml.etree: 4.3.3 bs4: None html5lib: None sqlalchemy: None pymysql: None psycopg2: None jinja2: 2.10.1 s3fs: None fastparquet: None pandas_gbq: None pandas_datareader: None gcsfs: None None </details>
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pd.Series.interpolate() ValueError for some methods with TZ localized index
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0
2019-07-23T21:05:57Z
2019-07-24T11:42:10Z
2019-07-24T11:42:10Z
CONTRIBUTOR
null
#### Code Sample, a copy-pastable example if possible ```python import pandas as pd ser = pd.Series([1.0, pd.np.nan, 2.0], index=pd.date_range( start='20190101T0000', freq='1h', periods=3)) print(ser.interpolate(method='pad')) print(ser.tz_localize('UTC').interpolate(method='pad')) # raises ValueError ``` #### Problem description Interpolation of a Series with a TZ localized DatetimeIndex raises a ValueError when method is not one of (linear, index, values, nearest, time). This does not occur with version 0.24.2, and I think the bug was introduced in https://github.com/pandas-dev/pandas/pull/25394. #### Expected Output 2019-01-01 00:00:00 1.0 2019-01-01 01:00:00 1.0 2019-01-01 02:00:00 2.0 Freq: H, dtype: float64 2019-01-01 00:00:00+00:00 1.0 2019-01-01 01:00:00+00:00 1.0 2019-01-01 02:00:00+00:00 2.0 Freq: H, dtype: float64 #### Output of ``pd.show_versions()`` <details> [paste the output of ``pd.show_versions()`` here below this line] INSTALLED VERSIONS ------------------ commit : d749aae9549329912edabc646fcda4083af18e22 python : 3.7.2.final.0 python-bits : 64 OS : Linux OS-release : 5.1.12-300.fc30.x86_64 machine : x86_64 processor : x86_64 byteorder : little LC_ALL : None LANG : en_US.UTF-8 LOCALE : en_US.UTF-8 pandas : 0.25.0+19.gd749aae954 numpy : 1.16.4 pytz : 2019.1 dateutil : 2.8.0 pip : 18.1 setuptools : 40.6.2 Cython : 0.29.12 pytest : 5.0.1 hypothesis : 4.28.2 sphinx : 1.8.5 blosc : 1.8.0 feather : None xlsxwriter : 1.1.8 lxml.etree : 4.3.4 html5lib : 1.0.1 pymysql : None psycopg2 : None jinja2 : 2.10.1 IPython : 7.6.1 pandas_datareader: None bs4 : 4.8.0 bottleneck : 1.2.1 fastparquet : 0.3.1 gcsfs : None lxml.etree : 4.3.4 matplotlib : 3.1.1 numexpr : 2.6.9 odfpy : None openpyxl : 2.6.2 pandas_gbq : None pyarrow : None pytables : None s3fs : 0.3.0 scipy : 1.3.0 sqlalchemy : 1.3.6 tables : 3.5.2 xarray : 0.12.3 xlrd : 1.2.0 xlwt : 1.3.0 xlsxwriter : 1.1.8 </details>
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27,549
BUG: Fix interpolate ValueError for datetime64_tz index
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3
2019-07-23T21:33:15Z
2019-07-24T11:42:16Z
2019-07-24T11:42:11Z
CONTRIBUTOR
null
- [ x ] closes #27548 - [ x ] tests added / passed - [ x ] passes `black pandas` - [ x ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ x ] whatsnew entry
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Revert CI changes from 27542
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1
2019-07-23T23:03:08Z
2020-01-16T00:35:06Z
2019-07-24T11:14:58Z
MEMBER
null
- [X] closes #27546 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Think this was all a perfect storm of temporary issues, so let's see what reverting yields. Note: didn't revert the sudo tag removal on purpose
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27,551
REF: implement module for shared constructor functions
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3
2019-07-24T01:39:36Z
2019-07-25T17:33:28Z
2019-07-25T17:14:33Z
MEMBER
null
`core.construction` intended for code to be shared between `pd.array`, `Series.__init__`, and `Index.__new__`. The module should not need to be internals-aware. This only moves array and extract_array to keep the diff contained. The next step would be to move internals.construction.sanitize_array, which is used in a number of non-internals places and satisfies the not-internals-aware condition. Several functions from core.dtypes.cast would also make more sense here than in their current locations. <b>update</b> moved sanitize_array too, and updated imports
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472,039,159
MDExOlB1bGxSZXF1ZXN0MzAwNTI5MTI3
27,552
STY: add pandas._typing to the known_pre_core block for isort
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12
2019-07-24T01:43:04Z
2019-10-06T22:48:23Z
2019-10-06T22:48:23Z
CONTRIBUTOR
null
closes #27534
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472,059,890
MDU6SXNzdWU0NzIwNTk4OTA=
27,553
`OptionError` raised by top-level function `pandas.set_option` is private
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6
2019-07-24T03:22:57Z
2020-02-24T16:32:46Z
2020-02-24T16:32:46Z
NONE
null
#### Code Sample ```python import pandas as pd from pandas.errors import OptionError # or from pandas import OptionError option = ('noexist', 1) try: pd.set_option(*option) except OptionError as e: print('Ignore invaild option: {}'.format(option)) ``` #### Problem description `OptionError` is raised by top-level function `pandas.set_option`, but can only be imported from private module `pandas._config.config`. Sample code will failed when importing it from `pandas.errors` : ``` --------------------------------------------------------------------------- ImportError Traceback (most recent call last) <ipython-input-1-62b92256ce5f> in <module> 1 import pandas as pd ----> 2 from pandas.errors import OptionError # or from pandas import OptionError 3 option = ('noexist', 1) 4 try: 5 pd.set_option(*option) ImportError: cannot import name 'OptionError' from 'pandas.errors' (/home/abc/.local/share/virtualenvs/abc-jIQt2SYy/lib/python3.7/site-packages/pandas/errors/__init__.py) ``` #### Expected Output ``` Ignored invaild option: ('noexist', 1) ``` Expected behavior : `OptionError` can be imported from `pandas.errors` or `pandas`. And other custom exceptions raised by top-level functions are also available in the same public namespace. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : None python : 3.7.3.final.0 python-bits : 64 OS : Linux OS-release : 4.4.0-17763-Microsoft machine : x86_64 processor : x86_64 byteorder : little LC_ALL : None LANG : C.UTF-8 LOCALE : en_US.UTF-8 pandas : 0.25.0 numpy : 1.16.4 pytz : 2019.1 dateutil : 2.8.0 pip : 19.1.1 setuptools : 41.0.1 Cython : 0.29.12 pytest : None hypothesis : None sphinx : None blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : None pymysql : None psycopg2 : None jinja2 : 2.10.1 IPython : 7.6.1 pandas_datareader: None bs4 : None bottleneck : None fastparquet : None gcsfs : None lxml.etree : None matplotlib : 3.1.1 numexpr : None odfpy : None openpyxl : 2.6.2 pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : None sqlalchemy : None tables : None xarray : None xlrd : 1.2.0 xlwt : None xlsxwriter : None </details>
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472,062,132
MDU6SXNzdWU0NzIwNjIxMzI=
27,554
ENH: to_xml, read_xml
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14
2019-07-24T03:32:58Z
2021-02-27T18:15:01Z
2021-02-27T18:15:01Z
NONE
null
I'm sure this has been asked before but I can't find it. Why doesn't pandas have a method called read_xml?
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27,555
CLN: more assorted cleanups
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2
2019-07-24T03:40:53Z
2019-07-25T17:32:09Z
2019-07-25T17:12:05Z
MEMBER
null
Continuing with the theme of avoiding runtime imports
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472,106,429
MDExOlB1bGxSZXF1ZXN0MzAwNTgxNTky
27,556
BUG: Allow ensure_index to coerce nan to NaT with numpy object array and tz Timestamp
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1
2019-07-24T06:40:29Z
2019-07-24T16:04:24Z
2019-07-24T11:42:49Z
MEMBER
null
- [x] closes #27011 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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27,557
Adhere to the standard for dropping Python versions
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7
2019-07-24T09:16:20Z
2021-11-10T17:59:44Z
null
MEMBER
null
Maintainers from several scientific Python projects are defining a standard to for all projects to drop support of old Python versions in a synchronized way. The standard is defined in this PR: https://github.com/numpy/numpy/pull/14086 I think pandas is already quite synchronized with the rest of the ecosystem, and I think the timeline of the standard matches what we have in mind in the short term (stopping support of Python 3.5 in the next release). I create this issue to have a discussion in case anyone has comments. And I propose that if there is agreement, we adhere to the standard formally.
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27,558
DOC: Unable to import pandas on python 3.5.2
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21
2019-07-24T10:10:47Z
2020-04-24T15:56:14Z
2019-08-01T12:13:48Z
NONE
null
#### Code Sample, a copy-pastable example if possible ```python import pandas ``` #### Problem description Although it seems like a typing issue pandas is still affected, error: ``` root@ae9a5374fe6d:/buildbot# python -c "import pandas" Traceback (most recent call last): File "<string>", line 1, in <module> File "/usr/local/lib/python3.5/dist-packages/pandas/__init__.py", line 55, in <module> from pandas.core.api import ( File "/usr/local/lib/python3.5/dist-packages/pandas/core/api.py", line 5, in <module> from pandas.core.arrays.integer import ( File "/usr/local/lib/python3.5/dist-packages/pandas/core/arrays/__init__.py", line 1, in <module> from .array_ import array # noqa: F401 File "/usr/local/lib/python3.5/dist-packages/pandas/core/arrays/array_.py", line 7, in <module> from pandas.core.dtypes.common import ( File "/usr/local/lib/python3.5/dist-packages/pandas/core/dtypes/common.py", line 11, in <module> from pandas.core.dtypes.dtypes import ( File "/usr/local/lib/python3.5/dist-packages/pandas/core/dtypes/dtypes.py", line 53, in <module> class Registry: File "/usr/local/lib/python3.5/dist-packages/pandas/core/dtypes/dtypes.py", line 84, in Registry self, dtype: Union[Type[ExtensionDtype], str] File "/usr/lib/python3.5/typing.py", line 552, in __getitem__ dict(self.__dict__), parameters, _root=True) File "/usr/lib/python3.5/typing.py", line 512, in __new__ for t2 in all_params - {t1} if not isinstance(t2, TypeVar)): File "/usr/lib/python3.5/typing.py", line 512, in <genexpr> for t2 in all_params - {t1} if not isinstance(t2, TypeVar)): File "/usr/lib/python3.5/typing.py", line 1077, in __subclasscheck__ if super().__subclasscheck__(cls): File "/usr/lib/python3.5/abc.py", line 225, in __subclasscheck__ for scls in cls.__subclasses__(): TypeError: descriptor '__subclasses__' of 'type' object needs an argument ``` To reproduce: ``` $ docker pull ursalab/amd64-ubuntu-16.04-python-3:worker $ docker run -it ursalab/amd64-ubuntu-16.04-python-3:worker bash # python -c "import pandas" ``` #### Output of ``pip freeze | grep pandas`` ``` pandas==0.25.0 ```
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472,234,239
MDU6SXNzdWU0NzIyMzQyMzk=
27,559
CLN: centrailize _check_percentile
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1
2019-07-24T11:38:55Z
2019-10-03T17:11:46Z
2019-10-03T17:11:46Z
CONTRIBUTOR
null
we use _check_percentile in a couple of places; its a method on the NDFrame which is not needed, refactor to move it to pandas/core/algorithms.py (near quantile). ``` pandas/core/generic.py: self._check_percentile(percentiles) pandas/core/generic.py: def _check_percentile(self, q): pandas/core/series.py: self._check_percentile(q) pandas/core/frame.py: self._check_percentile(q) ``` there is another reference in groupby added here: https://github.com/pandas-dev/pandas/pull/27473; change the validation logic to call this function as well (likely the call will need to be in the quantile call to groupby (pandas/core/groupby/groupby.py)
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27,560
Backport PR #27549 on branch 0.25.x (BUG: Fix interpolate ValueError for datetime64_tz index)
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2019-07-24T11:43:02Z
2019-07-24T13:00:12Z
2019-07-24T13:00:12Z
NONE
null
Backport PR #27549: BUG: Fix interpolate ValueError for datetime64_tz index
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27,561
Backport PR #27556 on branch 0.25.x (BUG: Allow ensure_index to coerce nan to NaT with numpy object array and tz Timestamp)
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2019-07-24T11:43:13Z
2019-07-24T13:00:02Z
2019-07-24T13:00:01Z
NONE
null
Backport PR #27556: BUG: Allow ensure_index to coerce nan to NaT with numpy object array and tz Timestamp
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27,562
DOC: Harmonize column selection to bracket notation
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12
2019-07-24T12:24:19Z
2019-08-26T18:29:14Z
2019-08-26T16:37:15Z
CONTRIBUTOR
null
As [suggested by](https://medium.com/dunder-data/minimally-sufficient-pandas-a8e67f2a2428#46f9) @tdpetrou. If there is agreement about not _presenting_ the dot notation to access columns in the docu, please let me know and I'll then check the rest of the docu. - [~] closes #xxxx - [~] tests added / passed - [~] passes `black pandas` - [~] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] passes `git diff upstream/master -u -- "*.rst" | flake8-rst --diff` - [~] whatsnew entry
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27,563
Pandas - Repeat headings every n-th row in Jupyter-lab notebook
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2019-07-24T14:28:36Z
2019-10-18T15:20:27Z
2019-10-18T15:20:27Z
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#### Code Sample, a copy-pastable example if possible ```python pd.set_option('display.max_columns', None) df.head(30) ``` #### Problem description Is there a way to repeat the headings (column titles) of a Pandas dataframe every n-th row in a Jupyter-lab notebook. I normally use pd.set_option('display.max_columns', None) with pandas in a Jupyter-lab notebook, since I want to view all the columns and data. However when showing more than 10 rows the scroll bar at the bottom is hidden when viewing the headings and the headings are hidden when viewing the scroll bar; which makes it very difficult to know what you are seeing or to know where to scroll to. Is there a way to repeat the headings every n-th row or is it possible to have a vertical scrollbar as well with the headings then always remaining visible. #### Expected Output Headings and scrollbar visible at the same time. #### Output of ``pd.show_versions()`` <details> [paste the output of ``pd.show_versions()`` here below this line] commit: None python: 3.7.1.final.0 python-bits: 64 OS: Windows OS-release: 10 machine: AMD64 processor: Intel64 Family 6 Model 94 Stepping 3, GenuineIntel byteorder: little LC_ALL: None LANG: None LOCALE: None.None pandas: 0.24.2 pytest: 4.0.0 pip: 19.2.1 setuptools: 40.6.2 Cython: 0.29 numpy: 1.16.2 scipy: 1.2.1 pyarrow: 0.11.1 xarray: 0.10.9 IPython: 7.1.1 sphinx: 1.8.1 patsy: 0.5.1 dateutil: 2.7.5 pytz: 2018.6 blosc: 1.6.1 bottleneck: 1.2.1 tables: 3.4.4 numexpr: 2.6.8 feather: 0.4.0 matplotlib: 3.0.2 openpyxl: None xlrd: 1.1.0 xlwt: None xlsxwriter: 1.1.2 lxml.etree: 4.2.5 bs4: 4.6.3 html5lib: 1.0.1 sqlalchemy: 1.2.12 pymysql: None psycopg2: 2.7.7 (dt dec pq3 ext lo64) jinja2: 2.10 s3fs: None fastparquet: 0.1.6 pandas_gbq: None pandas_datareader: 0.7.0 gcsfs: None </details>
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TYPING: some type hints for core.dtypes.common
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2019-07-24T14:38:07Z
2019-07-26T03:16:32Z
2019-07-25T17:01:35Z
MEMBER
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472,339,208
MDExOlB1bGxSZXF1ZXN0MzAwNzcwMjM5
27,565
DEPR: remove .ix from tests/indexing/multiindex/test_ix.py
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2019-07-24T15:09:29Z
2019-07-26T03:08:20Z
2019-07-25T16:58:58Z
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472,345,276
MDExOlB1bGxSZXF1ZXN0MzAwNzc1MjQ1
27,566
DEPR: remove .ix from tests/indexing/test_partial.py
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1
2019-07-24T15:21:14Z
2019-07-26T03:07:27Z
2019-07-25T16:58:08Z
MEMBER
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472,359,649
MDExOlB1bGxSZXF1ZXN0MzAwNzg3MDky
27,567
CLN: remove block._coerce_values
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2
2019-07-24T15:48:33Z
2019-07-26T21:44:14Z
2019-07-26T20:57:02Z
MEMBER
null
viable now that we stopped coercing timedelta and datetime to i8 I'd like to clean up DatetimeTZBlock._try_coerce_result before getting this in. Part of that means pushing the handling down to the function being wrapped
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472,369,597
MDU6SXNzdWU0NzIzNjk1OTc=
27,568
Enable --check-untyped-defs for MyPy
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12
2019-07-24T16:05:52Z
2019-12-19T13:37:07Z
2019-12-19T13:37:07Z
MEMBER
null
As brought up in a conversation with @simonjayhawkins we might want to consider adding `--check-untyped-defs` to the mypy config file. Right now unannotated functions are skipped so local variable inference and checking is not done until an annotation is added. Working through this flag in advance may lead to less surprises as annotations are added Note that this can also be enabled globally and per module, so we could prioritize as needed. Docs here: https://mypy.readthedocs.io/en/latest/config_file.html#untyped-definitions-and-calls Here are failures currently on master. I haven't looked in detail but assume that the degree of difficulty to resolve will vary. PRs to tackle individual modules may be best <details> ```sh pandas/core/ops/docstrings.py:26: error: Unsupported operand types for + ("str" and "None") pandas/core/ops/docstrings.py:26: note: Right operand is of type "Optional[str]" pandas/core/ops/docstrings.py:39: error: Unsupported operand types for + ("str" and "None") pandas/core/ops/docstrings.py:39: note: Right operand is of type "Optional[str]" pandas/core/dtypes/generic.py:7: error: 'classmethod' used with a non-method pandas/util/_exceptions.py:14: error: Incompatible types in assignment (expression has type "Tuple[Any, ...]", variable has type "Tuple[Any]") pandas/util/_decorators.py:181: error: Item "function" of "Union[Dict[Any, Any], Callable[[Any], Any]]" has no attribute "get" pandas/util/_decorators.py:183: error: "Dict[Any, Any]" not callable pandas/util/_decorators.py:201: error: Argument 1 to "get" of "Mapping" has incompatible type "Optional[str]"; expected "str" pandas/util/_decorators.py:207: error: Invalid index type "Optional[str]" for "Dict[str, Any]"; expected type "str" pandas/util/_decorators.py:293: error: Item "Tuple[Any, ...]" of "Union[Tuple[Any, ...], Dict[str, Any]]" has no attribute "update" pandas/_version.py:37: error: "VersioneerConfig" has no attribute "VCS" pandas/_version.py:38: error: "VersioneerConfig" has no attribute "style" pandas/_version.py:39: error: "VersioneerConfig" has no attribute "tag_prefix" pandas/_version.py:40: error: "VersioneerConfig" has no attribute "parentdir_prefix" pandas/_version.py:41: error: "VersioneerConfig" has no attribute "versionfile_source" pandas/_version.py:42: error: "VersioneerConfig" has no attribute "verbose" pandas/_version.py:79: error: Item "BaseException" of "Optional[BaseException]" has no attribute "errno" pandas/_version.py:79: error: Item "None" of "Optional[BaseException]" has no attribute "errno" pandas/io/formats/css.py:92: error: Incompatible types in assignment (expression has type "None", variable has type "float") pandas/io/formats/css.py:163: error: Item "None" of "Optional[Match[Any]]" has no attribute "groups" pandas/io/clipboard/exceptions.py:10: error: Module has no attribute "WinError" pandas/_config/config.py:458: error: Module has no attribute "Name" pandas/_config/config.py:469: error: Incompatible types in assignment (expression has type "Dict[<nothing>, <nothing>]", target has type "str") pandas/_config/config.py:470: error: Incompatible types in assignment (expression has type "str", variable has type "Dict[str, str]") pandas/_config/config.py:557: error: Incompatible types in assignment (expression has type "str", variable has type "Dict[str, str]") pandas/_config/config.py:682: error: Need type annotation for 'ls' pandas/util/_print_versions.py:104: error: Incompatible types in assignment (expression has type "None", variable has type "str") pandas/util/_print_versions.py:111: error: Name 'json' already defined (by an import) pandas/io/clipboard/windows.py:41: error: Module has no attribute "windll" pandas/io/clipboard/clipboards.py:31: error: Name 'QApplication' already defined (possibly by an import) pandas/io/clipboard/clipboards.py:33: error: Name 'QApplication' already defined (possibly by an import) pandas/_config/localization.py:104: error: Too few arguments for "CalledProcessError" pandas/_config/localization.py:104: error: Argument 1 to "CalledProcessError" has incompatible type "str"; expected "int" pandas/core/computation/expressions.py:81: error: Need type annotation for 'dtypes' pandas/core/computation/expressions.py:220: error: "None" not callable pandas/core/computation/expressions.py:237: error: "None" not callable pandas/core/computation/expressions.py:249: error: Need type annotation for '_TEST_RESULT' pandas/io/formats/printing.py:64: error: "str" has no attribute "decode"; maybe "encode"? pandas/io/formats/printing.py:197: error: "str" has no attribute "decode"; maybe "encode"? pandas/io/formats/printing.py:516: error: Argument 1 to "append" of "list" has incompatible type "Tuple[str, int]"; expected "Tuple[str, str]" pandas/io/formats/console.py:68: error: Name '__IPYTHON__' is not defined pandas/io/formats/console.py:78: error: Name 'get_ipython' is not defined pandas/core/config_init.py:311: error: Name 'get_ipython' is not defined pandas/core/dtypes/common.py:355: error: "None" not callable pandas/io/common.py:334: error: Incompatible types in assignment (expression has type "Tuple[Type[BytesIO]]", variable has type "Tuple[Type[BytesIO], Any]") pandas/io/excel/_util.py:109: error: Need type annotation for 'cols' pandas/core/apply.py:38: error: Incompatible types in assignment (expression has type "Type[FrameColumnApply]", variable has type "Type[FrameRowApply]") pandas/io/sas/sasreader.py:75: error: Incompatible types in assignment (expression has type "SAS7BDATReader", variable has type "XportReader") pandas/io/formats/csvs.py:232: error: Need type annotation for 'encoded_labels' pandas/core/dtypes/cast.py:1203: error: Incompatible types in assignment (expression has type "Categorical", variable has type "DatetimeIndex") pandas/core/dtypes/cast.py:1219: error: "DatetimeIndex" has no attribute "fill" pandas/core/nanops.py:556: error: Item "bool" of "Union[bool, Any]" has no attribute "any" pandas/core/missing.py:239: error: Incompatible types in assignment (expression has type "List[Union[int, Any]]", variable has type "Set[Union[int, Any]]") pandas/core/missing.py:610: error: Need type annotation for 'f_idx' pandas/core/missing.py:611: error: Need type annotation for 'b_idx' pandas/core/missing.py:635: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "Set[Any]") pandas/core/algorithms.py:1506: error: Name 'func' already defined on line 1485 pandas/core/algorithms.py:1708: error: Incompatible types in assignment (expression has type "Tuple[Any, ...]", variable has type "List[Any]") pandas/core/algorithms.py:1954: error: Incompatible types in assignment (expression has type "Tuple[slice, ...]", variable has type "List[slice]") pandas/core/algorithms.py:1958: error: Incompatible types in assignment (expression has type "Tuple[slice, ...]", variable has type "List[slice]") pandas/plotting/_matplotlib/misc.py:133: error: Need type annotation for 'to_plot' pandas/plotting/_matplotlib/misc.py:234: error: Need type annotation for 'used_legends' pandas/plotting/_matplotlib/misc.py:334: error: Need type annotation for 'used_legends' pandas/core/tools/datetimes.py:328: error: Item "DatetimeIndex" of "Union[DatetimeArray, DatetimeIndex]" has no attribute "tz_convert" pandas/core/tools/datetimes.py:1055: error: Argument 1 to "append" of "list" has incompatible type "None"; expected "time" pandas/core/tools/datetimes.py:1082: error: Argument 1 to "append" of "list" has incompatible type "None"; expected "time" pandas/core/internals/concat.py:47: error: Incompatible types in assignment (expression has type "Tuple[Any, ...]", variable has type "List[Any]") pandas/core/internals/concat.py:74: error: Incompatible types in assignment (expression has type "Tuple[Any, ...]", variable has type "List[Any]") pandas/core/internals/concat.py:303: error: Need type annotation for 'upcast_classes' pandas/core/internals/concat.py:304: error: Need type annotation for 'null_upcast_classes' pandas/tseries/offsets.py:518: error: Incompatible types in assignment (expression has type "None", variable has type "List[str]") pandas/tseries/frequencies.py:168: error: Unsupported operand types for * ("object" and "int") pandas/tseries/frequencies.py:274: error: Incompatible types in assignment (expression has type "_FrequencyInferer", variable has type "_TimedeltaFrequencyInferer") pandas/plotting/_matplotlib/core.py:161: error: Need type annotation for 'legend_handles' pandas/plotting/_matplotlib/core.py:162: error: Need type annotation for 'legend_labels' pandas/plotting/_matplotlib/core.py:554: error: Need type annotation for 'handles' pandas/plotting/_matplotlib/core.py:555: error: Need type annotation for 'labels' pandas/plotting/_matplotlib/core.py:651: error: Incompatible types in assignment (expression has type "Tuple[Any, Any]", variable has type "Tuple[Any, Any, Any]") pandas/plotting/_matplotlib/core.py:1486: error: Incompatible types in assignment (expression has type "None", variable has type "List[Any]") pandas/core/computation/align.py:24: error: Unsupported operand types for + ("Tuple[partial[Any]]" and "Tuple[None]") pandas/core/computation/align.py:24: error: Incompatible types in assignment (expression has type "Tuple[partial[Any], ...]", variable has type "Tuple[partial[Any]]") pandas/core/computation/align.py:26: error: Incompatible types in assignment (expression has type "Tuple[partial[Any], ...]", variable has type "Tuple[partial[Any]]") pandas/core/computation/align.py:37: error: Module has no attribute "generic" pandas/core/computation/align.py:120: error: Module has no attribute "generic" pandas/core/computation/align.py:160: error: Module has no attribute "generic" pandas/core/strings.py:1059: error: Need type annotation for 'tags' pandas/core/strings.py:1062: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "Set[Any]") pandas/core/base.py:386: error: Need type annotation for 'new_arg' pandas/core/base.py:455: error: Need type annotation for 'result' pandas/core/base.py:462: error: Need type annotation for 'result' pandas/core/base.py:470: error: Incompatible types in assignment (expression has type "OrderedDict[<nothing>, <nothing>]", variable has type "List[Any]") pandas/core/base.py:472: error: "List[Any]" has no attribute "update" pandas/core/base.py:473: error: "List[Any]" has no attribute "keys" pandas/core/base.py:478: error: Incompatible types in assignment (expression has type "None", variable has type "List[Any]") pandas/core/base.py:518: error: "List[Any]" has no attribute "values" pandas/core/base.py:522: error: "List[Any]" has no attribute "values" pandas/core/base.py:567: error: Incompatible types in assignment (expression has type "None", variable has type "List[Any]") pandas/core/indexes/frozen.py:76: error: "__getslice__" undefined in superclass pandas/core/indexes/base.py:335: error: Incompatible types in assignment (expression has type "TimedeltaIndex", variable has type "DatetimeIndex") pandas/core/indexes/base.py:338: error: Incompatible types in assignment (expression has type "TimedeltaIndex", variable has type "DatetimeIndex") pandas/core/indexes/base.py:346: error: Incompatible types in assignment (expression has type "PeriodIndex", variable has type "DatetimeIndex") pandas/core/indexes/base.py:422: error: Name 'PeriodIndex' already defined on line 70 pandas/core/indexes/base.py:422: error: Module 'pandas.core.indexes.period' has no attribute 'IncompatibleFrequency' pandas/core/indexes/base.py:433: error: Name 'Float64Index' already defined on line 349 pandas/core/indexes/base.py:456: error: Name 'Float64Index' already defined on line 349 pandas/core/indexes/base.py:460: error: Name 'IntervalIndex' already defined on line 170 pandas/core/indexes/base.py:472: error: Name 'DatetimeIndex' already defined on line 88 pandas/core/indexes/base.py:483: error: Name 'TimedeltaIndex' already defined on line 52 pandas/core/indexes/base.py:809: error: "DatetimeIndex" has no attribute "tz_localize" pandas/core/indexes/base.py:816: error: Name 'DatetimeIndex' already defined on line 88 pandas/core/indexes/base.py:1100: error: "List[Any]" has no attribute "tolist" pandas/core/indexes/base.py:1650: error: Unexpected keyword argument "levels" for "MultiIndex" pandas/core/indexes/base.py:5698: error: Name 'copy' already defined on line 5638 /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:1650: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:1650: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:1650: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:3623: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:3623: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:3623: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:3623: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:3788: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:3788: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:3788: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:3788: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/base.py:335: error: Incompatible types in assignment (expression has type "TimedeltaIndex", variable has type "DatetimeIndex") pandas/core/indexes/base.py:338: error: Incompatible types in assignment (expression has type "TimedeltaIndex", variable has type "DatetimeIndex") pandas/core/indexes/base.py:346: error: Incompatible types in assignment (expression has type "PeriodIndex", variable has type "DatetimeIndex") pandas/core/arrays/sparse.py:290: error: Incompatible types in assignment (expression has type "Union[str, bool]", variable has type "bool") pandas/core/arrays/sparse.py:1151: error: Need type annotation for 'result' pandas/core/arrays/interval.py:446: error: Need type annotation for 'left' pandas/core/arrays/interval.py:446: error: Need type annotation for 'right' pandas/core/arrays/categorical.py:697: error: Incompatible types in assignment (expression has type "None", variable has type "str") pandas/core/arrays/categorical.py:1136: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "Set[Any]") pandas/core/arrays/categorical.py:1645: error: "argsort" gets multiple values for keyword argument "ascending" pandas/core/arrays/categorical.py:1645: error: "argsort" gets multiple values for keyword argument "kind" pandas/core/arrays/categorical.py:2254: error: Incompatible types in assignment (expression has type "Dict[Any, Any]", variable has type "Generator[Any, None, None]") pandas/core/internals/blocks.py:1652: error: Too many arguments for "__init__" of "object" pandas/core/internals/blocks.py:1652: error: Unexpected keyword argument "ndim" for "__init__" of "object" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "__init__" of "object" defined here pandas/core/internals/blocks.py:2856: error: Need type annotation for 'result_blocks' pandas/core/internals/blocks.py:3195: error: Incompatible types in assignment (expression has type "Type[DatetimeBlock]", variable has type "Type[ExtensionBlock]") pandas/core/internals/blocks.py:3203: error: Incompatible types in assignment (expression has type "Type[FloatBlock]", variable has type "Type[ExtensionBlock]") pandas/core/internals/blocks.py:3206: error: Incompatible types in assignment (expression has type "Type[TimeDeltaBlock]", variable has type "Type[ExtensionBlock]") pandas/core/internals/blocks.py:3208: error: Incompatible types in assignment (expression has type "Type[ComplexBlock]", variable has type "Type[ExtensionBlock]") pandas/core/internals/blocks.py:3210: error: Incompatible types in assignment (expression has type "Type[IntBlock]", variable has type "Type[ExtensionBlock]") pandas/core/internals/blocks.py:3212: error: Incompatible types in assignment (expression has type "Type[BoolBlock]", variable has type "Type[ExtensionBlock]") pandas/core/internals/blocks.py:3214: error: Incompatible types in assignment (expression has type "Type[ObjectBlock]", variable has type "Type[ExtensionBlock]") pandas/core/indexes/multi.py:424: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:424: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:424: error: Unexpected keyword argument "sortorder" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:424: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:424: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:478: error: Need type annotation for 'arrays' pandas/core/indexes/multi.py:540: error: Too many arguments for "MultiIndex" pandas/core/indexes/multi.py:540: error: Unexpected keyword argument "sortorder" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:540: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:676: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "FrozenList") pandas/core/indexes/multi.py:796: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "FrozenList") pandas/core/indexes/multi.py:952: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:952: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:952: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:952: error: Unexpected keyword argument "sortorder" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:952: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:952: error: Unexpected keyword argument "_set_identity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:975: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:975: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:975: error: Too many arguments for "MultiIndex" pandas/core/indexes/multi.py:1092: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1092: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1092: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1092: error: Unexpected keyword argument "sortorder" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1092: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1724: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1724: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1724: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1846: error: Too many arguments for "MultiIndex" pandas/core/indexes/multi.py:1846: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1846: error: Unexpected keyword argument "sortorder" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1846: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:1979: error: Item "None" of "Optional[Any]" has no attribute "__iter__" (not iterable) pandas/core/indexes/multi.py:2012: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2012: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2012: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2012: error: Unexpected keyword argument "sortorder" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2012: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2031: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2031: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2031: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2031: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2101: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2101: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2101: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2101: error: Unexpected keyword argument "sortorder" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2101: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2155: error: Argument 1 to "range" has incompatible type "Optional[int]"; expected "int" pandas/core/indexes/multi.py:2155: error: Argument 2 to "range" has incompatible type "Optional[int]"; expected "int" pandas/core/indexes/multi.py:2240: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2240: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2240: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2240: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2265: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2265: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2265: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2265: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2363: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2363: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2363: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2363: error: Unexpected keyword argument "sortorder" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:2363: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3102: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3102: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3102: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3250: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "Set[Any]") pandas/core/indexes/multi.py:3253: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3253: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3253: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3253: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3293: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3293: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3293: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3293: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3311: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3311: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3311: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3311: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3340: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3340: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3340: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3391: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3391: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3391: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3391: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3404: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3404: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3404: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/multi.py:3404: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/indexes/datetimelike.py:202: error: 'staticmethod' used with a non-method pandas/core/indexes/datetimelike.py:475: error: "_format_attrs" undefined in superclass pandas/core/indexes/datetimelike.py:509: error: "_convert_scalar_indexer" undefined in superclass pandas/core/indexes/category.py:599: error: Need type annotation for 'missing' pandas/core/computation/scope.py:140: error: Cannot determine type of 'resolvers' pandas/core/computation/scope.py:142: error: Need type annotation for 'temps' pandas/core/computation/scope.py:201: error: Module has no attribute "ops" pandas/core/indexes/datetimes.py:523: error: "None" has no attribute "_dtype" pandas/core/indexes/datetimes.py:557: error: "None" has no attribute "_dtype" pandas/core/indexes/datetimes.py:814: error: "DatetimeIndex" has no attribute "tz_convert" pandas/core/indexes/datetimes.py:1167: error: "bool" has no attribute "nonzero" pandas/core/computation/ops.py:434: error: Incompatible types in assignment (expression has type "Callable[[Any, Any, Any, Any, Any, Any], Any]", variable has type "partial[Any]") pandas/core/computation/ops.py:489: error: Too many arguments for "__init__" pandas/core/indexes/interval.py:532: error: Need type annotation for 'seen_pairs' pandas/core/computation/expr.py:319: error: Unsupported operand types for + ("Tuple[]" and "Tuple[str]") pandas/core/computation/expr.py:319: error: Unsupported operand types for + ("Tuple[<nothing>, ...]" and "Tuple[str]") pandas/core/computation/expr.py:701: error: "expr" has no attribute "id" pandas/core/computation/expr.py:715: error: Too many arguments for "__call__" pandas/core/computation/expr.py:725: error: "expr" has no attribute "id" pandas/core/computation/engines.py:123: error: "KeyError" has no attribute "message" pandas/core/computation/engines.py:126: error: Too few arguments for "UndefinedVariableError" pandas/core/indexes/api.py:101: error: Need type annotation for 'ids' pandas/core/computation/pytables.py:172: error: Incompatible types in assignment (expression has type "Callable[[Any, Any, Any, Any, Any, Any], Any]", variable has type "partial[Any]") pandas/core/computation/pytables.py:536: error: Unsupported target for indexed assignment pandas/core/computation/eval.py:326: error: Cannot instantiate abstract class 'AbstractEngine' with abstract attribute '_evaluate' pandas/plotting/_matplotlib/converter.py:1049: error: Need type annotation for 'locs' pandas/io/formats/format.py:1165: error: Cannot call function of unknown type pandas/io/formats/format.py:1234: error: "str" not callable pandas/io/formats/format.py:1234: error: Unexpected keyword argument "value" for "__call__" of "EngFormatter" pandas/io/formats/format.py:1234: error: "None" not callable pandas/io/formats/format.py:1677: error: Item "None" of "Optional[TextAdjustment]" has no attribute "len" pandas/io/formats/format.py:1769: note: "__call__" of "EngFormatter" defined here pandas/core/indexing.py:1746: error: List item 0 has incompatible type "slice"; expected "str" pandas/core/indexing.py:1754: error: No overload variant of "slice" matches argument types "str", "str", "None" pandas/core/indexing.py:1754: note: Possible overload variant: pandas/core/indexing.py:1754: note: def __init__(self, start: Optional[int], stop: Optional[int], step: Optional[int] = ...) -> slice pandas/core/indexing.py:1754: note: <1 more non-matching overload not shown> pandas/core/indexing.py:1754: note: def __init__(self, start: Optional[int], stop: Optional[int], step: Optional[int] = ...) -> slice pandas/core/internals/managers.py:243: error: Need type annotation for 'counts' pandas/core/internals/managers.py:549: error: Argument 1 to "SingleBlockManager" has incompatible type "List[Any]"; expected "Block" pandas/core/internals/managers.py:622: error: Need type annotation for 'new_rb' pandas/core/internals/managers.py:747: error: Incompatible types in assignment (expression has type "Tuple[slice, ...]", variable has type "List[slice]") pandas/core/internals/managers.py:835: error: Item "ExtensionDtype" of "Union[Any, ExtensionDtype, None]" has no attribute "subtype" pandas/core/internals/managers.py:835: error: Item "None" of "Union[Any, ExtensionDtype, None]" has no attribute "subtype" pandas/core/internals/managers.py:871: error: Need type annotation for 'bd' pandas/core/internals/managers.py:914: error: Item "None" of "Union[Any, ExtensionDtype, None]" has no attribute "construct_array_type" pandas/core/internals/managers.py:982: error: Argument 1 to "SingleBlockManager" has incompatible type "List[Any]"; expected "Block" pandas/core/internals/managers.py:1121: error: Need type annotation for 'new_blocks' pandas/core/internals/managers.py:1441: error: Need type annotation for 'new_blocks' pandas/core/internals/managers.py:1442: error: Need type annotation for 'columns_mask' pandas/core/internals/managers.py:1727: error: Need type annotation for 'items_dict' pandas/core/internals/managers.py:1748: error: Need type annotation for 'blocks' pandas/core/internals/managers.py:1908: error: Need type annotation for 'new_blocks' pandas/plotting/_matplotlib/timeseries.py:163: error: "type" has no attribute "_plot" pandas/core/generic.py:470: error: Need type annotation for 'd' pandas/core/generic.py:2068: error: Need type annotation for '_item_cache' pandas/core/generic.py:3713: error: Incompatible types in assignment (expression has type "Tuple[slice, ...]", variable has type "List[slice]") pandas/core/generic.py:5860: error: "append" of "list" does not return a value pandas/core/generic.py:5865: error: Incompatible types in assignment (expression has type "Generator[Any, None, None]", variable has type "List[Any]") pandas/core/generic.py:6648: error: 'builtins.object' object is not iterable pandas/core/generic.py:7225: error: Name 'Series' already defined on line 141 pandas/core/generic.py:10253: error: Need type annotation for 'names' pandas/core/internals/construction.py:184: error: "_get_axes" gets multiple values for keyword argument "index" pandas/core/internals/construction.py:184: error: "_get_axes" gets multiple values for keyword argument "columns" pandas/core/internals/construction.py:248: error: Incompatible types in assignment (expression has type "Generator[Union[List[Any], Any], None, None]", variable has type "Series") pandas/core/internals/construction.py:251: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "Series") pandas/core/internals/construction.py:254: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "Series") pandas/core/internals/construction.py:336: error: Need type annotation for 'raw_lengths' pandas/core/internals/construction.py:376: error: Argument 1 to "len" has incompatible type "Optional[Index]"; expected "Sized" pandas/core/internals/construction.py:379: error: Argument 1 to "len" has incompatible type "Optional[Index]"; expected "Sized" pandas/core/internals/construction.py:414: error: No overload variant of "__setitem__" of "list" matches argument types "int", "str" pandas/core/internals/construction.py:414: note: Possible overload variants: pandas/core/internals/construction.py:414: note: def __setitem__(self, int, int) -> None pandas/core/internals/construction.py:414: note: def __setitem__(self, slice, Iterable[int]) -> None pandas/core/internals/construction.py:511: error: Need type annotation for 'indexer_cache' pandas/core/internals/construction.py:562: error: Argument 2 to "isinstance" has incompatible type "object"; expected "Union[type, Tuple[Union[type, Tuple[Any, ...]], ...]]" pandas/core/series.py:2736: error: Unsupported operand types for + ("List[Any]" and "Tuple[Any, ...]") pandas/core/series.py:2736: note: Right operand is of type "Union[List[Any], Tuple[Any, ...]]" pandas/core/series.py:4298: error: Too many arguments for "fillna" pandas/core/frame.py:966: error: namedtuple() expects a string literal as the first argument pandas/core/frame.py:2097: error: Name 'statawriter' already defined on line 2062 pandas/core/frame.py:2495: error: Item "None" of "Optional[Any]" has no attribute "iloc" pandas/core/frame.py:2757: error: Module has no attribute "_unpickle_array" pandas/core/frame.py:2759: error: Module has no attribute "_unpickle_array" pandas/core/frame.py:2766: error: Module has no attribute "_unpickle_array" pandas/core/frame.py:2767: error: Module has no attribute "_unpickle_array" pandas/core/frame.py:2772: error: Module has no attribute "_unpickle_array" pandas/core/frame.py:3610: error: Need type annotation for 'results' pandas/core/frame.py:4190: error: Too many arguments for "fillna" pandas/core/frame.py:4327: error: Need type annotation for 'missing' pandas/core/frame.py:4357: error: Need type annotation for 'names' pandas/core/frame.py:4366: error: Need type annotation for 'to_remove' pandas/core/frame.py:4600: error: Too many arguments for "DatetimeLikeArrayMixin" pandas/core/frame.py:4600: error: Unexpected keyword argument "dtype" for "DatetimeLikeArrayMixin" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "DatetimeLikeArrayMixin" defined here pandas/core/frame.py:4622: error: Incompatible types in assignment (expression has type "Tuple[Tuple[Any, None]]", variable has type "Iterator[Tuple[Any, Any]]") pandas/core/frame.py:4622: note: 'tuple' is missing following 'Iterator' protocol member: pandas/core/frame.py:4622: note: __next__ pandas/core/frame.py:7060: error: Unsupported operand types for + ("List[Any]" and "Tuple[Any, ...]") pandas/core/frame.py:7060: note: Right operand is of type "Union[List[Any], Tuple[Any, ...]]" pandas/core/frame.py:8429: error: Need type annotation for 'new_data' pandas/io/parsers.py:929: error: Incompatible types in assignment (expression has type "object", variable has type "Union[bytes, int, str, None]") pandas/io/parsers.py:1366: error: Need type annotation for 'unnamed_cols' pandas/io/parsers.py:1430: error: Need type annotation for 'handles' pandas/io/parsers.py:1529: error: Need type annotation for 'counts' pandas/io/parsers.py:1576: error: Item "None" of "Optional[Any]" has no attribute "set_names" pandas/io/parsers.py:2003: error: Incompatible types in assignment (expression has type "None", variable has type "List[Any]") pandas/io/parsers.py:2223: error: Need type annotation for 'buf' pandas/io/parsers.py:2269: error: Need type annotation for '_comment_lines' pandas/io/parsers.py:2559: error: Need type annotation for 'unnamed_cols' pandas/io/parsers.py:2573: error: Need type annotation for 'columns' pandas/io/parsers.py:2620: error: Need type annotation for 'counts' pandas/io/parsers.py:2644: error: List item 0 has incompatible type "None"; expected "str" pandas/io/parsers.py:2647: error: Argument 1 to "append" of "list" has incompatible type "List[str]"; expected "List[None]" pandas/io/parsers.py:2694: error: List comprehension has incompatible type List[str]; expected List[None] pandas/io/parsers.py:2699: error: Argument 1 to "list" has incompatible type "range"; expected "Iterable[None]" pandas/io/parsers.py:2699: note: Following member(s) of "range" have conflicts: pandas/io/parsers.py:2699: note: Expected: pandas/io/parsers.py:2699: note: def __iter__(self) -> Iterator[None] pandas/io/parsers.py:2699: note: Got: pandas/io/parsers.py:2699: note: def __iter__(self) -> Iterator[int] pandas/io/parsers.py:3305: error: Need type annotation for 'date_cols' pandas/io/parsers.py:3384: error: Need type annotation for 'na_fvalues' pandas/io/parsers.py:3401: error: Incompatible types in assignment (expression has type "Dict[Any, Any]", variable has type "Set[Any]") pandas/io/parsers.py:3442: error: No overload variant of "__setitem__" of "list" matches argument types "int", "None" pandas/io/parsers.py:3442: note: Possible overload variants: pandas/io/parsers.py:3442: note: def __setitem__(self, int, str) -> None pandas/io/parsers.py:3442: note: def __setitem__(self, slice, Iterable[str]) -> None pandas/io/parsers.py:3519: error: Argument 1 to "append" of "list" has incompatible type "float"; expected "str" pandas/io/parsers.py:3523: error: Argument 1 to "append" of "list" has incompatible type "int"; expected "str" pandas/core/reshape/reshape.py:293: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:293: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:293: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:293: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:307: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:307: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:307: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:307: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:344: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:344: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:344: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:344: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:384: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:384: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:384: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:384: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:431: error: Incompatible types in assignment (expression has type "_Unstacker", variable has type "partial[_Unstacker]") pandas/core/reshape/reshape.py:439: error: "partial[_Unstacker]" has no attribute "get_result" pandas/core/reshape/reshape.py:525: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:525: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:525: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:525: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:531: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:531: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:531: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:531: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:684: error: Unsupported operand types for - ("int" and "None") pandas/core/reshape/reshape.py:684: error: Unsupported operand types for - ("None" and "int") pandas/core/reshape/reshape.py:684: error: Unsupported left operand type for - ("None") pandas/core/reshape/reshape.py:684: note: Both left and right operands are unions pandas/core/reshape/reshape.py:733: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:733: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:733: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:733: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/reshape.py:898: error: Need type annotation for 'with_dummies' pandas/core/reshape/reshape.py:1000: error: Incompatible types in assignment (expression has type "float", variable has type "int") pandas/core/reshape/reshape.py:1004: error: Need type annotation for 'sp_indices' pandas/core/groupby/ops.py:285: error: Incompatible types in assignment (expression has type "Index", variable has type "Iterator[Any]") pandas/core/groupby/ops.py:285: note: 'Index' is missing following 'Iterator' protocol member: pandas/core/groupby/ops.py:285: note: __next__ pandas/core/groupby/ops.py:336: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/ops.py:336: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/ops.py:336: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/ops.py:336: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/ops.py:436: error: "None" not callable pandas/core/groupby/ops.py:792: error: Need type annotation for 'indices' pandas/core/groupby/ops.py:947: error: Incompatible types in assignment (expression has type "Type[FrameSplitter]", variable has type "Type[SeriesSplitter]") pandas/core/groupby/groupby.py:850: error: Need type annotation for 'output' pandas/core/groupby/groupby.py:2219: error: Need type annotation for 'output' pandas/core/groupby/groupby.py:2474: error: Incompatible types in assignment (expression has type "Type[DataFrameGroupBy]", variable has type "Type[SeriesGroupBy]") pandas/io/excel/_base.py:427: error: Need type annotation for 'output' pandas/io/excel/_base.py:695: error: Need type annotation for 'sheets' pandas/core/sparse/frame.py:94: error: Item "SparseArray" of "Union[SparseSeries, SparseArray]" has no attribute "index" pandas/core/sparse/frame.py:98: error: Item "SparseArray" of "Union[SparseSeries, SparseArray]" has no attribute "name" pandas/core/sparse/frame.py:308: error: Name '_unpickle_array' already defined on line 170 pandas/core/sparse/frame.py:1004: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/sparse/frame.py:1004: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/sparse/frame.py:1004: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/io/excel/_xlwt.py:52: error: Need type annotation for 'style_dict' pandas/io/excel/_openpyxl.py:398: error: Need type annotation for '_style_cache' pandas/io/excel/_openpyxl.py:420: error: Need type annotation for 'style_kwargs' pandas/io/excel/_openpyxl.py:423: error: Incompatible types in assignment (expression has type "Optional[Any]", variable has type "Dict[Any, Any]") pandas/core/groupby/generic.py:278: error: Need type annotation for 'result' pandas/core/groupby/generic.py:303: error: Need type annotation for 'result' pandas/core/groupby/generic.py:471: error: Name 'concat' already defined on line 31 pandas/core/groupby/generic.py:915: error: Need type annotation for 'results' pandas/core/groupby/generic.py:993: error: Need type annotation for 'result' pandas/core/groupby/generic.py:1105: error: Too many arguments pandas/core/groupby/generic.py:1272: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/generic.py:1272: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/generic.py:1272: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/generic.py:1272: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/generic.py:1303: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/generic.py:1303: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/generic.py:1303: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/generic.py:1303: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/groupby/generic.py:303: error: Need type annotation for 'result' pandas/core/groupby/generic.py:1738: error: Need type annotation for 'aggspec' pandas/io/sql.py:51: error: Name 'sqlalchemy' already defined (possibly by an import) pandas/io/sql.py:786: error: "insert" of "list" does not return a value pandas/io/sql.py:1456: error: "insert" of "list" does not return a value pandas/io/stata.py:675: error: Need type annotation for 'off' pandas/io/stata.py:676: error: Need type annotation for 'val' pandas/io/stata.py:677: error: Need type annotation for 'txt' pandas/io/stata.py:934: error: Argument 1 to "list" has incompatible type "str"; expected "Iterable[int]" pandas/io/stata.py:934: note: Following member(s) of "str" have conflicts: pandas/io/stata.py:934: note: Expected: pandas/io/stata.py:934: note: def __iter__(self) -> Iterator[int] pandas/io/stata.py:934: note: Got: pandas/io/stata.py:934: note: def __iter__(self) -> Iterator[str] pandas/io/stata.py:1229: error: Name 'f' already defined on line 1219 pandas/io/stata.py:1463: error: Need type annotation for 'value_label_dict' pandas/io/stata.py:1766: error: Incompatible types in assignment (expression has type "DataFrame", variable has type "Dict[Any, Series]") pandas/io/stata.py:1767: error: "Dict[Any, Series]" has no attribute "columns" pandas/io/stata.py:1836: error: Incompatible types in assignment (expression has type "str", variable has type "List[Any]") pandas/io/stata.py:1851: error: Incompatible types in assignment (expression has type "Series", variable has type "Categorical") pandas/io/stata.py:2160: error: Need type annotation for '_converted_names' pandas/io/stata.py:2174: error: Need type annotation for '_value_labels' pandas/io/stata.py:2309: error: Need type annotation for 'typlist' pandas/io/stata.py:2310: error: Need type annotation for 'fmtlist' pandas/io/stata.py:3075: error: Argument 1 to "write" of "BytesIO" has incompatible type "str"; expected "Union[bytes, bytearray]" pandas/io/pytables.py:1107: error: Need type annotation for 'remain_values' pandas/io/pytables.py:1181: error: Item "None" of "Optional[Any]" has no attribute "link" pandas/io/pytables.py:1229: error: Item "None" of "Optional[Any]" has no attribute "group" pandas/io/pytables.py:1243: error: Item "None" of "Optional[Any]" has no attribute "exceptions" pandas/io/pytables.py:1302: error: Incompatible types in assignment (expression has type "List[Any]", variable has type "bool") pandas/io/pytables.py:1399: error: Item "None" of "Optional[Any]" has no attribute "table" pandas/io/pytables.py:2871: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/io/pytables.py:2871: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/io/pytables.py:2871: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/io/pytables.py:2871: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/io/pytables.py:3275: error: Need type annotation for 'index_axes' pandas/io/pytables.py:3276: error: Need type annotation for 'non_index_axes' pandas/io/pytables.py:3277: error: Need type annotation for 'values_axes' pandas/io/pytables.py:3278: error: Need type annotation for 'data_columns' pandas/io/pytables.py:3279: error: Need type annotation for 'metadata' pandas/io/pytables.py:3280: error: Need type annotation for 'info' pandas/io/pytables.py:3553: error: Need type annotation for '_indexables' pandas/io/pytables.py:3556: error: "None" has no attribute "extend" pandas/io/pytables.py:3565: error: Argument 1 to "len" has incompatible type "None"; expected "Sized" pandas/io/pytables.py:3575: error: "None" has no attribute "extend" pandas/io/pytables.py:4060: error: Too many arguments for "Selection" pandas/io/pytables.py:4147: error: Incompatible types in assignment (expression has type "Optional[List[IndexCol]]", base class "Table" defined the type as "List[Any]") pandas/io/pytables.py:4372: error: Too many arguments for "Selection" pandas/io/pytables.py:4817: error: Incompatible types in assignment (expression has type "TimedeltaIndex", variable has type "DatetimeIndex") pandas/io/parquet.py:80: error: Name 'pyarrow' already defined on line 77 pandas/io/parquet.py:98: error: Need type annotation for 'from_pandas_kwargs' pandas/io/packers.py:229: error: Incompatible types in assignment (expression has type "None", variable has type "BinaryIO") pandas/io/packers.py:417: error: "DatetimeIndex" has no attribute "tz_convert" pandas/io/packers.py:651: error: "DatetimeIndex" has no attribute "tz_localize" pandas/io/packers.py:873: error: Argument 1 to "BytesIO" has incompatible type "str"; expected "bytes" pandas/io/html.py:99: error: Argument 2 to "range" has incompatible type "Optional[int]"; expected "int" pandas/io/html.py:126: error: Incompatible types in assignment (expression has type "Union[str, bytes]", variable has type "bytes") pandas/io/html.py:438: error: Need type annotation for 'remainder' pandas/io/html.py:545: error: Need type annotation for 'unique_tables' pandas/io/html.py:736: error: Need type annotation for 'rows' pandas/io/json/_table_schema.py:267: error: Incompatible types in assignment (expression has type "str", target has type "List[Any]") pandas/io/json/_normalize.py:290: error: Argument 1 to "zip" has incompatible type "Union[str, List[Any], None]"; expected "Iterable[Any]" pandas/io/json/_normalize.py:307: error: Argument 1 to "zip" has incompatible type "Union[str, List[Any], None]"; expected "Iterable[Any]" pandas/io/json/_json.py:64: error: Incompatible types in assignment (expression has type "Type[SeriesWriter]", variable has type "Type[JSONTableWriter]") pandas/io/json/_json.py:66: error: Incompatible types in assignment (expression has type "Type[FrameWriter]", variable has type "Type[JSONTableWriter]") pandas/io/json/_json.py:830: error: Incompatible types in assignment (expression has type "str", variable has type "Set[Any]") pandas/io/json/_json.py:1136: error: Incompatible types in assignment (expression has type "DataFrame", variable has type "Dict[int, Any]") pandas/io/json/_json.py:1137: error: "Dict[int, Any]" has no attribute "columns" pandas/core/reshape/tile.py:517: error: Incompatible types in assignment (expression has type "Callable[[Any], Any]", variable has type "partial[Any]") pandas/core/reshape/pivot.py:214: error: Incompatible types in assignment (expression has type "str", variable has type "Tuple[str, ...]") pandas/core/reshape/pivot.py:548: error: Need type annotation for 'data' pandas/core/reshape/pivot.py:605: error: Invalid index type "bool" for "Dict[str, Callable[[Any], Any]]"; expected type "str" pandas/core/reshape/merge.py:922: error: Need type annotation for 'join_names' pandas/core/reshape/merge.py:1770: error: Unsupported operand types for - ("_T" and "int") pandas/core/reshape/merge.py:1772: error: Unsupported operand types for + ("_T" and "int") pandas/core/reshape/merge.py:1772: error: Incompatible types in assignment (expression has type "int", target has type "_T") pandas/core/reshape/merge.py:1774: error: Unsupported target for indexed assignment pandas/core/reshape/merge.py:1774: error: Unsupported operand types for - ("_T" and "int") pandas/core/reshape/melt.py:472: error: "List[Any]" has no attribute "reset_index" pandas/core/reshape/concat.py:559: error: No overload variant of "__setitem__" of "list" matches argument types "int", "int" pandas/core/reshape/concat.py:559: note: Possible overload variants: pandas/core/reshape/concat.py:559: note: def __setitem__(self, int, None) -> None pandas/core/reshape/concat.py:559: note: def __setitem__(self, slice, Iterable[None]) -> None pandas/core/reshape/concat.py:667: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/concat.py:667: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/concat.py:667: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/concat.py:667: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/concat.py:708: error: Unexpected keyword argument "levels" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/concat.py:708: error: Unexpected keyword argument "codes" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/concat.py:708: error: Unexpected keyword argument "names" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/core/reshape/concat.py:708: error: Unexpected keyword argument "verify_integrity" for "MultiIndex" /Users/williamayd/miniconda3/envs/pandas-dev/lib/python3.7/site-packages/mypy/typeshed/stdlib/2and3/builtins.pyi:44: note: "MultiIndex" defined here pandas/util/testing.py:85: error: Argument 2 to "simplefilter" has incompatible type "Tuple[Type[DeprecationWarning], Type[ResourceWarning]]"; expected "Type[Warning]" pandas/util/testing.py:92: error: Argument 2 to "simplefilter" has incompatible type "Tuple[Type[DeprecationWarning], Type[ResourceWarning]]"; expected "Type[Warning]" pandas/util/testing.py:210: error: Incompatible types in assignment (expression has type "IO[Any]", variable has type "BinaryIO") pandas/util/testing.py:212: error: Incompatible types in assignment (expression has type "BZ2File", variable has type "BinaryIO") pandas/util/testing.py:214: error: Incompatible types in assignment (expression has type "LZMAFile", variable has type "BinaryIO") pandas/util/testing.py:219: error: Incompatible types in assignment (expression has type "IO[bytes]", variable has type "BinaryIO") pandas/util/testing.py:261: error: Incompatible types in assignment (expression has type "Type[GzipFile]", variable has type "Type[ZipFile]") pandas/util/testing.py:265: error: Incompatible types in assignment (expression has type "Type[BZ2File]", variable has type "Type[ZipFile]") pandas/util/testing.py:269: error: Incompatible types in assignment (expression has type "Type[LZMAFile]", variable has type "Type[ZipFile]") pandas/util/testing.py:280: error: Incompatible types in assignment (expression has type "Tuple[Any]", variable has type "Tuple[Any, Any]") pandas/util/testing.py:515: error: Argument 1 to "close" has incompatible type "Optional[int]"; expected "int" pandas/util/testing.py:1050: error: "ExtensionArray" has no attribute "asi8" pandas/util/testing.py:1815: error: Cannot call function of unknown type pandas/util/testing.py:1842: error: Cannot call function of unknown type pandas/util/testing.py:1976: error: Cannot call function of unknown type pandas/util/testing.py:2004: error: Need type annotation for 'cnt' pandas/util/testing.py:2206: error: "_create_missing_idx" gets multiple values for keyword argument "density" pandas/util/testing.py:2206: error: "_create_missing_idx" gets multiple values for keyword argument "random_state" pandas/util/testing.py:2234: error: Incompatible types in assignment (expression has type "List[<nothing>]", variable has type "Tuple[Any, ...]") pandas/util/testing.py:2411: error: "Exception" has no attribute "reason" pandas/util/testing.py:2420: error: Argument 1 to "format_exc" has incompatible type "Exception"; expected "Optional[int]" pandas/util/testing.py:2673: error: Item "None" of "Optional[List[_Record]]" has no attribute "__iter__" (not iterable) pandas/io/sas/sas_xport.py:350: error: Need type annotation for 'fields' pandas/io/sas/sas7bdat.py:90: error: Need type annotation for 'column_names_strings' pandas/io/sas/sas7bdat.py:91: error: Need type annotation for 'column_names' pandas/io/sas/sas7bdat.py:92: error: Need type annotation for 'column_formats' pandas/io/sas/sas7bdat.py:93: error: Need type annotation for 'columns' pandas/io/sas/sas7bdat.py:95: error: Need type annotation for '_current_page_data_subheader_pointers' pandas/io/sas/sas7bdat.py:97: error: Need type annotation for '_column_data_lengths' pandas/io/sas/sas7bdat.py:98: error: Need type annotation for '_column_data_offsets' pandas/io/sas/sas7bdat.py:99: error: Need type annotation for '_column_types' pandas/io/sas/sas7bdat.py:386: error: "_subheader_pointer" has no attribute "offset" pandas/io/sas/sas7bdat.py:387: error: "_subheader_pointer" has no attribute "length" pandas/io/sas/sas7bdat.py:388: error: "_subheader_pointer" has no attribute "compression" pandas/io/sas/sas7bdat.py:389: error: "_subheader_pointer" has no attribute "ptype" pandas/io/sas/sas7bdat.py:488: error: Incompatible types in assignment (expression has type "bytes", variable has type "str") pandas/io/sas/sas7bdat.py:624: error: "_column" has no attribute "col_id" pandas/io/sas/sas7bdat.py:625: error: "_column" has no attribute "name" pandas/io/sas/sas7bdat.py:626: error: "_column" has no attribute "label" pandas/io/sas/sas7bdat.py:627: error: "_column" has no attribute "format" pandas/io/sas/sas7bdat.py:628: error: "_column" has no attribute "ctype" pandas/io/sas/sas7bdat.py:629: error: "_column" has no attribute "length" pandas/io/formats/style.py:125: error: Need type annotation for 'ctx' pandas/io/formats/style.py:126: error: Need type annotation for '_todo' pandas/io/formats/style.py:147: error: Need type annotation for 'hidden_columns' pandas/io/formats/style.py:158: error: Need type annotation for '_display_funcs' pandas/io/formats/style.py:247: error: Need type annotation for 'cell_context' pandas/io/formats/style.py:554: error: Cannot determine type of 'ctx' pandas/io/formats/style.py:557: error: Cannot determine type of 'ctx' pandas/io/formats/style.py:1335: error: Invalid type "cls" pandas/io/formats/style.py:1335: error: Invalid base class pandas/io/formats/latex.py:127: error: Need type annotation for 'clinebuf' pandas/io/formats/excel.py:537: error: Incompatible types in assignment (expression has type "Generator[ExcelCell, None, None]", variable has type "Tuple[]") pandas/io/formats/excel.py:730: error: Cannot instantiate abstract class 'ExcelWriter' with abstract attributes 'engine', 'save', 'supported_extensions' and 'write_cells' pandas/core/window.py:715: error: Need type annotation for 'exclude' pandas/core/window.py:840: error: Too many arguments for "__init__" of "object" pandas/core/window.py:904: error: Need type annotation for 'exclude' pandas/core/window.py:2114: error: Too many arguments for "count" pandas/core/window.py:2446: error: Need type annotation for 'exclude' pandas/core/resample.py:413: error: "PeriodIndex" has no attribute "asfreq"; maybe "freq"? pandas/core/resample.py:998: error: Too many arguments for "__init__" of "object" pandas/core/resample.py:1575: error: "PeriodIndex" has no attribute "asfreq"; maybe "freq"? pandas/core/resample.py:1814: error: "PeriodIndex" has no attribute "asfreq"; maybe "freq"? pandas/tseries/holiday.py:422: error: Item "None" of "Optional[Any]" has no attribute "sort_index" ``` </details> @vaibhavhrt something you may have interest in as well
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472,382,605
MDExOlB1bGxSZXF1ZXN0MzAwODAzNjU5
27,569
CLN: update comment
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3
2019-07-24T16:32:23Z
2019-07-31T19:53:29Z
2019-07-31T14:06:55Z
NONE
null
Fixes a small nit. `Index`es are technically instances of `PandasObject`. Make the comment clearer. CI failure is unrelated network glitch.
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https://api.github.com/repos/pandas-dev/pandas/issues/27570
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472,389,707
MDU6SXNzdWU0NzIzODk3MDc=
27,570
BUG: Grouper.cov emits warning unlike DataFrame.cov
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2
2019-07-24T16:49:18Z
2021-07-10T18:52:29Z
2021-07-10T18:52:15Z
NONE
null
Like https://github.com/pandas-dev/pandas/issues/27470, another case where Grouper and DataFrame provide essentially the same method but diverge in behavior. ```python import pandas as pd df=pd.DataFrame(dict(a=[0,4,8],b=[2,7,12],c=[3,9,11])) g=df.groupby([0,1,1]) # single row frame silently emits NaNs df.iloc[[0]].cov() # single row group emits multiple warnings g.cov() RuntimeWarning: Degrees of freedom <= 0 for slice ```
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472,390,515
MDU6SXNzdWU0NzIzOTA1MTU=
27,571
BUG: dir(IntervalIndex()) raises
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4
2019-07-24T16:51:19Z
2019-08-01T12:56:49Z
2019-08-01T12:56:49Z
NONE
null
```python In [8]: ix=pd.IntervalIndex.from_breaks([0,1,2]) ...: dir(ix) ... ValueError: cannot infer type for <class 'NoneType'> ```
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472,395,173
MDExOlB1bGxSZXF1ZXN0MzAwODEzNjMy
27,572
TST: add regression test for MultiIndex with IntervalIndex level
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2
2019-07-24T17:00:55Z
2019-07-25T18:15:07Z
2019-07-25T16:57:33Z
NONE
null
#27456 makes for a good regression test for the non-overlapping case, where there's no coverage currently. Add it to the tests.
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472,417,593
MDExOlB1bGxSZXF1ZXN0MzAwODMxNTU3
27,573
API: Make most arguments for read_html and read_json keyword-ony
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50
2019-07-24T17:56:02Z
2020-04-07T08:08:42Z
2020-04-07T00:55:26Z
CONTRIBUTOR
null
As mentioned in #27544 it is better to use keyword-only arguments for functions with too many arguments. A deprecation warning will be displayed if `read_html` get more than 2 positional arguments (`io` and `match`) or `read_json` get more than 1 positional argument (`path_or_buf`). - [x] tests added / passed Three groups of tests are actually needed - [x] Tests dof the `deprecate_nonkeyword_arguments` decoratorr - [x] Check whether the `read_json` function emits a `FutureWarning` whenever necessary and does not emit it whenever not. - [x] Check whether the `read_html` function emits a `FutureWarning` whenever necessary and does not emit it whenever not. - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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DEPR: remove .ix from tests/indexing/multiindex/test_setitem.py
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2019-07-24T18:59:43Z
2019-07-26T03:06:20Z
2019-07-25T16:56:28Z
MEMBER
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27,575
import pandas error for missing compression libraries
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25
2019-07-24T19:41:19Z
2021-06-10T18:12:24Z
2019-08-19T13:06:15Z
NONE
null
#### Code Sample ```shell [dev]rbuhr:~% python Python 3.7.2 (default, Jul 24 2019, 19:27:42) [GCC 6.3.0 20170516] on linux Type "help", "copyright", "credits" or "license" for more information. ``` ```python >>> import pandas Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/__init__.py", line 55, in <module> from pandas.core.api import ( File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/api.py", line 24, in <module> from pandas.core.groupby import Grouper, NamedAgg File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/groupby/__init__.py", line 1, in <module> from pandas.core.groupby.generic import ( # noqa: F401 File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/groupby/generic.py", line 44, in <module> from pandas.core.frame import DataFrame File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/frame.py", line 88, in <module> from pandas.core.generic import NDFrame, _shared_docs File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/generic.py", line 71, in <module> from pandas.io.formats.format import DataFrameFormatter, format_percentiles File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/io/formats/format.py", line 47, in <module> from pandas.io.common import _expand_user, _stringify_path File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/io/common.py", line 9, in <module> import lzma File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/lzma.py", line 27, in <module> from _lzma import * ModuleNotFoundError: No module named '_lzma' >>> ``` #### Problem description After installing pandas 0.25.0, I can't import the library because of missing compression libraries. First it returned the error message `ModuleNotFoundError: No module named '_bz2'`. I installed with `sudo apt-get install libbz2-dev` and tried again to get the error message from the code sample above, `ModuleNotFoundError: No module named '_lzma'`. This was not an issue with the previous version of pandas and I tested by downgrading to pandas 0.24.0 and was able to import without the error messages. I feel like pandas should not prevent usage just because some _optional_ compression programs are not installed, like the default behavior of the last version. #### Expected Output ```python >>> import pandas >>> ``` #### Output of ``pd.show_versions()`` Unable to run because can't import pandas.
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27,576
CLN: Prune unnecessary indexing code
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2019-07-24T21:52:24Z
2019-08-02T19:04:37Z
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MDExOlB1bGxSZXF1ZXN0MzAwOTIxNjQw
27,577
CLN: pandas\io\formats\format.py
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1
2019-07-24T22:46:22Z
2019-07-26T03:15:13Z
2019-07-25T17:10:23Z
MEMBER
null
xref https://github.com/pandas-dev/pandas/pull/27512#discussion_r306561575
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MDU6SXNzdWU0NzI2MDc1NzQ=
27,578
`groupby().first()` docs should explain distinction between nth and first
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2019-07-25T00:18:21Z
2021-07-10T18:53:02Z
null
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### Problem description The existing doc for `groupby().first()` (https://pandas-docs.github.io/pandas-docs-travis/reference/api/pandas.core.groupby.GroupBy.first.html?highlight=first#pandas.core.groupby.GroupBy.first) does not describe the behavior with respect to missing data. In particular, it does not mention the fact that the behavior is broadcasting columnwise. The docs read: "Compute first of group values...Computed first of values within each group." I think the correct description is "For each column, compute the first non-null entry, possibly aggregating values from across multiple rows." We might also want a simple example to explain the behavior. #### Code Sample, a copy-pastable example if possible ```python import pandas as pd x = pd.DataFrame(dict(A=[1, 1, 3], B=[None, 5, 6], C=[1, 2, 3])) print(x.groupby("A", as_index=False).first()) print(x.groupby("A", as_index=False).nth(0)) print(x.groupby("A", as_index=False).head(1)) [...] A B C 0 1 5.0 1 1 3 6.0 3 A B C 0 1 NaN 1 2 3 6.0 3 A B C 0 1 NaN 1 2 3 6.0 3 ```
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MDExOlB1bGxSZXF1ZXN0MzAwOTY1NDk0
27,579
TYPING: add type hints to pandas\io\formats\printing.py
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2019-07-25T03:15:04Z
2019-07-26T03:18:57Z
2019-07-25T17:38:53Z
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MDExOlB1bGxSZXF1ZXN0MzAwOTk1MjIx
27,580
DOC:Update python version support info
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14
2019-07-25T06:05:45Z
2019-08-21T21:09:14Z
2019-08-01T12:13:48Z
CONTRIBUTOR
null
Updated the python version support info. Added minimum version for Python 3.5 is 3.5.3 and removed python 2.7 support info. closes #27558
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MDU6SXNzdWU0NzI3MDYwNDg=
27,581
Add a new DataFrame.dti accessor
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2019-07-25T07:21:57Z
2021-07-10T18:58:20Z
2021-07-10T18:58:20Z
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There's the `dt` accessor on Series which operates on the Series values: ``` pd.Series([1,2,3]).dt.day #exists. But checks that series *values* datetime64[ns] pd.Series([1,2,3]).day # doesn't exist ``` There's a top-level method `df.first`: ``` Convenience method for subsetting initial periods of time series data based on a date offset. ``` which looks like it should live behind `dti` accessor on DataFrame. ``` pd.DataFrame().first(0) # method is applicable only for datetime, but is in the top DataFrame namespace ``` There's currently no datetime accessor on dataframe. Would it make sense to move it below a `dti` accessor on DataFrame? There's also an unfortunate unfortunate name collision between`Groupby().first` ``` Compute first of group values. ``` and `DataFrame.first`: ``` Convenience method for subsetting initial periods of time series data based on a date offset. ``` Adding a `dti` accessor to DataFrame would clean that up as well.
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merge_asof parameters "index", "prefix"
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3
2019-07-25T09:19:37Z
2021-07-10T19:02:50Z
2021-07-10T19:02:49Z
NONE
null
Add convenience parameter `index` which sets both `left_index` and `right_index`. This should default to `True` when no `on` parameter is set. Further, add parameter `prefix` with the same behavior as `suffix` but instead add this before the original label.
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472,781,159
MDU6SXNzdWU0NzI3ODExNTk=
27,583
Inconsistent dtype changes between multi-column assignment and single-column assignment
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2
2019-07-25T10:12:40Z
2021-07-10T19:04:10Z
null
CONTRIBUTOR
null
#### Code Sample, a copy-pastable example if possible ```python import pandas as pd df = pd.DataFrame({'a': [0.0], 'b': 0.0}) df[['a', 'b']] = 0 print(df) print() df['b'] = 0 print(df) ``` Output: ``` a b 0 0.0 0.0 a b 0 0.0 0 ``` #### Problem description As you can see above, the column type doesn't change in multi-column assignment but changes from `float64` to `int64` in single-column assignment. This behavior seems quite inconsistent. #### Expected Output ``` a b 0 0 0 a b 0 0 0 ``` Both multi-column assignment and single-column assignment should result in the correct dtype. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : 3b96ada3a17f5fcc8c32a238457075ec4dd8433a python : 3.6.8.final.0 python-bits : 64 OS : Linux OS-release : 4.15.0-52-generic machine : x86_64 processor : x86_64 byteorder : little LC_ALL : None LANG : en_US.utf8 LOCALE : en_US.UTF-8 pandas : 0.25.0rc0+131.g3b96ada3a numpy : 1.16.3 pytz : 2019.1 dateutil : 2.8.0 pip : 19.1.1 setuptools : 41.0.1 Cython : 0.29.7 pytest : 4.4.2 hypothesis : 4.17.2 sphinx : None blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : None pymysql : None psycopg2 : None jinja2 : None IPython : None pandas_datareader: None bs4 : None bottleneck : None fastparquet : None gcsfs : None lxml.etree : None matplotlib : None numexpr : None odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : None sqlalchemy : None tables : None xarray : None xlrd : None xlwt : None xlsxwriter : None </details>
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27,584
CLN: Centralised _check_percentile
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19
2019-07-25T10:23:11Z
2020-09-07T11:32:12Z
2019-10-03T17:11:46Z
CONTRIBUTOR
null
- Fixes #27559 - Moved the _check_percentile method on NDFrame to algorithms as check_percentile. - Changed the references to _check_percentile in pandas/core/series.py and pandas/core/frame.py - [x] closes #27559 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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27,585
Index._engine creates cyclic reference
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1
2019-07-25T12:18:46Z
2019-08-08T20:43:26Z
2019-08-08T20:43:26Z
CONTRIBUTOR
null
#### Code Sample, a copy-pastable example if possible ```python import gc import pandas as pd gc.disable() idx = pd.Int64Index(data=[0]) # trigger a call to idx._engine using public API, but a unit test might also be # able to use the private API here idx.is_monotonic_increasing del idx remaining_indices = [o for o in gc.get_objects() if isinstance(o, pd.Int64Index)] assert remaining_indices == [] ``` #### Problem description The (indirect) call to `idx._engine` creates a cyclic reference, therefore indices are not removed without calling the GC: ```python import objgraph objgraph.show_backrefs( remaining_indices, filename='obj.png', shortnames=False, max_depth=10, ) ``` ![obj](https://user-images.githubusercontent.com/1529400/61873731-f6553080-aee6-11e9-8f2f-6e50c881ada5.png) On certain payloads (e.g. on `dask.distributed` clusters), this might increase memory consumptions significantly. #### Expected Output Index is cleared on `del idx` call. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : None python : 3.6.6.final.0 python-bits : 64 OS : Linux OS-release : 4.9.125-linuxkit machine : x86_64 processor : byteorder : little LC_ALL : en_US.UTF-8 LANG : en_US.UTF-8 LOCALE : en_US.UTF-8 pandas : 0.25.0 numpy : 1.16.4 pytz : 2019.1 dateutil : 2.8.0 pip : 10.0.1 setuptools : 39.1.0 Cython : None pytest : None hypothesis : None sphinx : None blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : None pymysql : None psycopg2 : None jinja2 : None IPython : None pandas_datareader: None bs4 : None bottleneck : None fastparquet : None gcsfs : None lxml.etree : None html5lib : None pymysql : None psycopg2 : None jinja2 : None IPython : None pandas_datareader: None bs4 : None bottleneck : None fastparquet : None gcsfs : None lxml.etree : None matplotlib : None numexpr : None odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : None sqlalchemy : None tables : None xarray : None xlrd : None xlwt : None xlsxwriter : None </details>
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472,939,240
MDU6SXNzdWU0NzI5MzkyNDA=
27,586
Move json_normalize to pd namespace
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6
2019-07-25T15:43:33Z
2019-12-18T19:53:17Z
2019-12-18T19:53:17Z
MEMBER
null
This function I think gets a good amount of usage but people tend to import from `pandas.io.json`. ref #27522 I think we should move this to the top level cc @bhavaniravi
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Backport PR #27511 on branch 0.25.x (BUG: display.precision of negative complex numbers)
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0
2019-07-25T15:58:49Z
2019-07-25T16:55:03Z
2019-07-25T16:55:03Z
NONE
null
Backport PR #27511: BUG: display.precision of negative complex numbers
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472,957,296
MDExOlB1bGxSZXF1ZXN0MzAxMjE4NjA3
27,588
REF: collect indexing methods
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1
2019-07-25T16:21:27Z
2019-07-25T17:31:47Z
2019-07-25T17:19:30Z
MEMBER
null
No real changes, just putting indexing methods in one place to make subsequent passes a little easier
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472,963,962
MDU6SXNzdWU0NzI5NjM5NjI=
27,589
Add NumPy Stubs
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3
2019-07-25T16:37:11Z
2021-01-12T17:54:36Z
2021-01-12T17:54:36Z
MEMBER
null
We use ndarray often in our annotations, but it always just resolves to `Any` since it doesn't have any annotations natively. It looks like numpy has a separate Numpy-stubs repo under development: https://github.com/numpy/numpy-stubs Might be worth considering that as a development dependency. Certainly would like to find issues with ndarray usage sooner than later @shoyer
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Backport PR #27488 on branch 0.25.x (API: Add entrypoint for plotting)
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0
2019-07-25T17:18:22Z
2019-07-25T18:14:41Z
2019-07-25T18:14:41Z
NONE
null
Backport PR #27488: API: Add entrypoint for plotting
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27,591
BUG: MultiIndex Slice returns incorrect slice (compared to .xs())
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1
2019-07-25T17:53:09Z
2021-08-08T23:30:35Z
2021-08-08T23:30:35Z
CONTRIBUTOR
null
#### Code Sample, a copy-pastable example if possible ```python import pandas as pd l1 = list('abc') l2 = [(0, 1), (1, 0)] l3 = [0, 1] cols = pd.MultiIndex.from_product([l1, l2, l3], names=['x', 'y', 'z']) df = pd.DataFrame(index=range(5), columns=cols) # This returns the expected slice expected = df.xs((l1[0], l2[0], l3[0]), level=[0, 1, 2], axis=1) print(expected) # This returns an empty Series (?!) empty1 = df.loc[:, (l1[0], l2[0], l3[0])] # This returns an empty Series also empty2 = df.loc[:, pd.IndexSlice[l1[0], l2[0], l3[0]]] print(empty1) print(empty2) # if we omit the l2 dim on slice, we get something back try3 = df.loc[:, pd.IndexSlice[l1[0], :, l3[0]]] print(try3) # Oddly enough, we can still set values on the dataframe and it works as expected. df.loc[:, (l1[0], l2[0], l3[0])] = list(range(10, 15)) print(df) ``` #### Problem description As far as I can understand the, all three indexing operations should provide the same result. Slicing seems to be the favored approach in the documentation, yet it doesn't return the expected result in this case. Wrapping the tuple in a python object doesn't seem to work either, returning a KeyError. ```python class MyTuple(object): def __init__(self, data): self.data = data def __eq__(self, other): return self.data == other.data def __hash__(self): return hash(self.data) def __repr__(self): return repr(self.data) def __str__(self): return repr(self) l22 = [MyTuple((0,1)), MyTuple((1, 0))] df2 = pd.DataFrame(index=range(5), columns=pd.MultiIndex.from_product([l1, l22, l3])) df.loc[:, pd.IndexSlice[l1[0], l22[0], l3[0]]] ``` #### Expected Output The expected result is a single series with 5 NaN values: ```python a (0, 1) 0 0 NaN 1 NaN 2 NaN 3 NaN 4 NaN ``` This is the value of `expected` in the example above. #### Output of ``pd.show_versions()`` <details> Note that pandas 0.24.2 is being used because compatibility with Python 2 is needed. #### INSTALLED VERSIONS commit: None python: 3.7.3.final.0 python-bits: 64 OS: Linux OS-release: 2.6.32-696.10.2.el6.x86_64 machine: x86_64 processor: x86_64 byteorder: little LC_ALL: None LANG: en_US.UTF-8 LOCALE: en_US.UTF-8 pandas: 0.24.2 pytest: 4.3.1 pip: 19.0.3 setuptools: 40.8.0 Cython: None numpy: 1.16.2 scipy: 1.2.1 pyarrow: None xarray: None IPython: 7.5.0 sphinx: None patsy: None dateutil: 2.8.0 pytz: 2018.9 blosc: 1.7.0 bottleneck: 1.2.1 tables: None numexpr: None feather: None matplotlib: 3.0.3 openpyxl: None xlrd: None xlwt: None xlsxwriter: None lxml.etree: None bs4: None html5lib: None sqlalchemy: 1.3.1 pymysql: 0.9.3 psycopg2: None jinja2: 2.10 s3fs: None fastparquet: None pandas_gbq: None pandas_datareader: None gcsfs: None </details>
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27,592
Bug in regex engine
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2019-07-25T18:04:05Z
2019-07-25T20:05:31Z
2019-07-25T18:18:15Z
NONE
null
#### Code Sample ```python # This one fails import pandas as pd import numpy as np import io data = io.StringIO(r"""401.000000 383.1216 0.0000 0.0000 0.5140 0.4860 MASLENN 116616 NH3N2 1 401.000000 383.1216 0.0000 0.0000 0.5140 0.4860 MASLENN 116616 NH3N2 1""") df = pd.read_csv(data, sep=r'\w+', engine='python', names=['T/K','p/MPa','x0','x1','y0','y1','ref','refnum','pair','index']) print(np.log10(df['p/MPa'])) ``` with error: ``` Traceback (most recent call last): File "D:\Code\bug.py", line 7, in <module> print(np.log10(df['p/MPa'])) AttributeError: 'str' object has no attribute 'log10' ``` ```python # This one succeeds import pandas as pd import numpy as np import io data = io.StringIO(r"""401.000000,383.1216,0.0000,0.0000,0.5140,0.4860,MASLENN,116616,NH3N2,1 401.000000,383.1216,0.0000,0.0000,0.5140,0.4860,MASLENN,116616,NH3N2,1""") df = pd.read_csv(data, sep=',', names=['T/K','p/MPa','x0','x1','y0','y1','ref','refnum','pair','index']) print(np.log10(df['p/MPa'])) ``` #### Problem description There is a very odd bug in pandas regarding the use of the python engine in concert with a regex. Somehow this combination corrupts numpy <-> pandas interaction; note how python thinks that numpy is a string above. I finally was able to put together a runnable example showing the problem as detailed above. When I modify my example to use comma delimiters instead, there is no corruption of numpy #### Output of pd.show_versions() ``` python Python 3.6.0 |Continuum Analytics, Inc.| (default, Dec 23 2016, 11:57:41) [MSC v.1900 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import pandas as pd >>> pd.show_versions() INSTALLED VERSIONS ------------------ commit: None python: 3.6.0.final.0 python-bits: 64 OS: Windows OS-release: 7 machine: AMD64 processor: Intel64 Family 6 Model 58 Stepping 9, GenuineIntel byteorder: little LC_ALL: None LANG: None LOCALE: None.None pandas: 0.23.4 pytest: None pip: 19.0.3 setuptools: 27.2.0 Cython: 0.29.10 numpy: 1.15.4 scipy: 1.1.0 pyarrow: None xarray: None IPython: 6.1.0 sphinx: 1.7.2 patsy: None dateutil: 2.6.0 pytz: 2017.2 blosc: None bottleneck: None tables: None numexpr: None feather: None matplotlib: 3.0.0 openpyxl: 2.4.8 xlrd: 1.0.0 xlwt: None xlsxwriter: None lxml: 4.1.1 bs4: 4.7.1 html5lib: 0.999 sqlalchemy: None pymysql: None psycopg2: None jinja2: 2.10.1 s3fs: None fastparquet: None pandas_gbq: None pandas_datareader: None ```
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Numerical errors in rolling std (0.23.4)
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2019-07-25T19:52:36Z
2019-08-05T16:27:42Z
2019-07-27T18:08:24Z
NONE
null
@DieterDePaepe I saw your https://github.com/numpy/numpy/issues/7753#issuecomment-451501724, can you provide more information and perhaps a reproducer? What pandas version? Your comment is from Jan 2019 and #18481 was merged in Late Nov 2018, does the issue still exist for you? xref #9420 , #18430, #27202, #9420
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DOC: add documentation for read_spss(#27476)
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1
2019-07-25T20:08:47Z
2019-07-29T13:19:53Z
2019-07-26T20:58:47Z
CONTRIBUTOR
null
- [x] closes #27476 - [ ] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Documentation is added for the new read_spss function. After the generating html in Sphinx, it looks like this: IO page top: <img width="766" alt="IO page" src="https://user-images.githubusercontent.com/6498024/61973737-c70bf580-afb2-11e9-95cf-499efc17e807.png"> SPSS description: <img width="774" alt="SPSS description" src="https://user-images.githubusercontent.com/6498024/61973739-ca9f7c80-afb2-11e9-8909-1638ad7a70d1.png"> API section: <img width="761" alt="SPSS API" src="https://user-images.githubusercontent.com/6498024/61973743-cd01d680-afb2-11e9-9fca-be0a06128049.png">
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Expanded ASVs for to_json
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1
2019-07-25T22:38:15Z
2019-07-26T16:35:32Z
2019-07-26T16:35:29Z
MEMBER
null
Instead of one massive PR in #27166 I think this makes sense to break up in a few chunks. First step to get block code out of that extension is to get expanded test coverage, which I think I've done here. After this I'll probably: - Convert "columns" orient to not use the block manager code - Convert "values" - Convert "records" / "index" (and by nature table) and clean up code Might be a little bit of bloat in the middle but think that approach will ultimately be more manageable
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Cannot write partitioned parquet file to S3
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9
2019-07-25T22:58:55Z
2020-05-26T09:31:14Z
2020-04-26T21:41:54Z
NONE
null
Apologies if this is a pyarrow issue. #### Code Sample, a copy-pastable example if possible ```python pd.DataFrame({'a': range(5), 'b': range(5)}).to_parquet('s3://mybucket', partition_cols=['b']) ``` #### Problem description Fails with `AttributeError: 'NoneType' object has no attribute '_isfilestore'` ``` Traceback (most recent call last): File "/python/partparqs3.py", line 8, in <module> pd.DataFrame({'a': range(5), 'b': range(5)}).to_parquet('s3://mybucket', partition_cols=['b']) File "/python/lib/python3.7/site-packages/pandas/core/frame.py", line 2203, in to_parquet partition_cols=partition_cols, **kwargs) File "/python/lib/python3.7/site-packages/pandas/io/parquet.py", line 252, in to_parquet partition_cols=partition_cols, **kwargs) File "/python/lib/python3.7/site-packages/pandas/io/parquet.py", line 118, in write partition_cols=partition_cols, **kwargs) File "/python/lib/python3.7/site-packages/pyarrow/parquet.py", line 1342, in write_to_dataset _mkdir_if_not_exists(fs, root_path) File "/python/lib/python3.7/site-packages/pyarrow/parquet.py", line 1292, in _mkdir_if_not_exists if fs._isfilestore() and not fs.exists(path): AttributeError: 'NoneType' object has no attribute '_isfilestore' Exception ignored in: <function AbstractBufferedFile.__del__ at 0x7f529985ca60> Traceback (most recent call last): File "/python/lib/python3.7/site-packages/fsspec/spec.py", line 1146, in __del__ self.close() File "/python/lib/python3.7/site-packages/fsspec/spec.py", line 1124, in close self.flush(force=True) File "/python/lib/python3.7/site-packages/fsspec/spec.py", line 996, in flush self._initiate_upload() File "/python/lib/python3.7/site-packages/s3fs/core.py", line 941, in _initiate_upload Bucket=bucket, Key=key, ACL=self.acl) File "/python/lib/python3.7/site-packages/s3fs/core.py", line 928, in _call_s3 **kwargs) File "/python/lib/python3.7/site-packages/s3fs/core.py", line 182, in _call_s3 return method(**additional_kwargs) File "/python/lib/python3.7/site-packages/botocore/client.py", line 357, in _api_call return self._make_api_call(operation_name, kwargs) File "/python/lib/python3.7/site-packages/botocore/client.py", line 648, in _make_api_call operation_model, request_dict, request_context) File "/python/lib/python3.7/site-packages/botocore/client.py", line 667, in _make_request return self._endpoint.make_request(operation_model, request_dict) File "/python/lib/python3.7/site-packages/botocore/endpoint.py", line 102, in make_request return self._send_request(request_dict, operation_model) File "/python/lib/python3.7/site-packages/botocore/endpoint.py", line 137, in _send_request success_response, exception): File "/python/lib/python3.7/site-packages/botocore/endpoint.py", line 231, in _needs_retry caught_exception=caught_exception, request_dict=request_dict) File "/python/lib/python3.7/site-packages/botocore/hooks.py", line 356, in emit return self._emitter.emit(aliased_event_name, **kwargs) File "/python/lib/python3.7/site-packages/botocore/hooks.py", line 228, in emit return self._emit(event_name, kwargs) File "/python/lib/python3.7/site-packages/botocore/hooks.py", line 211, in _emit response = handler(**kwargs) File "/python/lib/python3.7/site-packages/botocore/retryhandler.py", line 183, in __call__ if self._checker(attempts, response, caught_exception): File "/python/lib/python3.7/site-packages/botocore/retryhandler.py", line 251, in __call__ caught_exception) File "/python/lib/python3.7/site-packages/botocore/retryhandler.py", line 269, in _should_retry return self._checker(attempt_number, response, caught_exception) File "/python/lib/python3.7/site-packages/botocore/retryhandler.py", line 317, in __call__ caught_exception) File "/python/lib/python3.7/site-packages/botocore/retryhandler.py", line 223, in __call__ attempt_number, caught_exception) File "/python/lib/python3.7/site-packages/botocore/retryhandler.py", line 359, in _check_caught_exception raise caught_exception File "/python/lib/python3.7/site-packages/botocore/endpoint.py", line 200, in _do_get_response http_response = self._send(request) File "/python/lib/python3.7/site-packages/botocore/endpoint.py", line 244, in _send return self.http_session.send(request) File "/python/lib/python3.7/site-packages/botocore/httpsession.py", line 294, in send raise HTTPClientError(error=e) botocore.exceptions.HTTPClientError: An HTTP Client raised and unhandled exception: 'NoneType' object is not iterable ``` #### Expected Output Expected to see partitioned data show up in S3. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit: None python: 3.7.2.final.0 python-bits: 64 OS: Linux OS-release: 3.10.0-957.21.3.el7.x86_64 machine: x86_64 processor: x86_64 byteorder: little LC_ALL: None LANG: en_US.UTF-8 LOCALE: en_US.UTF-8 pandas: 0.24.2 pytest: None pip: 19.0.3 setuptools: 41.0.0 Cython: 0.29.7 numpy: 1.16.2 scipy: 1.3.0 pyarrow: 0.14.0 xarray: None IPython: 7.5.0 sphinx: None patsy: None dateutil: 2.8.0 pytz: 2019.1 blosc: None bottleneck: None tables: None numexpr: None feather: None matplotlib: 3.1.0 openpyxl: None xlrd: None xlwt: None xlsxwriter: None lxml.etree: 4.3.3 bs4: None html5lib: None sqlalchemy: None pymysql: None psycopg2: None jinja2: 2.10.1 s3fs: 0.3.0 fastparquet: None pandas_gbq: None pandas_datareader: None gcsfs: None </details>
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473,108,576
MDExOlB1bGxSZXF1ZXN0MzAxMzQyMjc2
27,597
BUG: groupby.transform(name) validates name is an aggregation
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18
2019-07-25T23:16:22Z
2019-07-29T18:36:19Z
2019-07-29T18:12:27Z
NONE
null
closes #14274 closes #19354 closes #22509 - [ ] tests added / passed - [X] whatsnew entry This is a long-standing bug. Effectively, it makes `transform('rank')` synonymous with `g.rank()` and same for other transformations. We could also resolve this by restricting the `g.transform(name)` whitelist to only callables and aggs-to-be-broadcasted, telling users to use the named method directly, i.e `g.rank()` instead. Not a problem keeping this path working though, it just needs to return correct results. Also, continuing some cleanups after #27467
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473,113,183
MDExOlB1bGxSZXF1ZXN0MzAxMzQ2MDM3
27,598
TYPING: some type hints for pandas\io\common.py
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4
2019-07-25T23:37:11Z
2019-08-05T09:39:05Z
2019-08-02T17:14:20Z
MEMBER
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473,116,256
MDExOlB1bGxSZXF1ZXN0MzAxMzQ4NDk3
27,599
[WIP] Quick fix to provide complex data type support for hashmap based algorithms
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12
2019-07-25T23:51:45Z
2020-01-20T17:59:12Z
2020-01-20T17:59:12Z
NONE
null
- [x] fixes #17927 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [-] whatsnew entry
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MDExOlB1bGxSZXF1ZXN0MzAxMzQ5MDE0
27,600
DEPR: NDFrame.set_axis inplace defaults to false #27525
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7
2019-07-25T23:54:42Z
2019-07-27T08:07:19Z
2019-07-26T11:51:35Z
NONE
null
https://github.com/pandas-dev/pandas/blob/76247c142893c710e970c4cf8a25d73121aa5a2b/pandas/core/generic.py#L594-L598 has been there since <del>#20164</del> #16994 (issue was #14636), part of 0.21.0. With discussion of plans to deprecate similar functionality from set_index in #24046, it's time to make sure `set_axis` conforms to the rest of pandas in this.
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473,117,426
MDU6SXNzdWU0NzMxMTc0MjY=
27,601
rolling agg raise error
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1
2019-07-25T23:57:28Z
2019-07-26T00:10:15Z
2019-07-26T00:10:09Z
NONE
null
#### Code Sample, a copy-pastable example if possible df = pd.DataFrame( {'code':['1', '1', '1', '3'], 'desc':['hello', 'my name is', 'rock', 'bye']}, index=pd.date_range('2018-01-01', periods=4, freq='1s') ) df.groupby(['code']).rolling('2s').agg({'desc': 'count'}) df.groupby(['code']).rolling('2s').agg({'desc': ' '.join}) df.groupby(['code']).agg({'desc': ' '.join}) ``` #### Problem description i want a function like rolling with time and group concat string rows but when use rolling('2s').agg({'desc': ' '.join}) , it raise error, I reference https://github.com/pandas-dev/pandas/issues/20773, but that code not work, not the value but direct raise exception: TypeError: cannot handle this type -> object error log tail: d:\program\python37\lib\site-packages\pandas\core\window.py in apply(self, func, raw, args, kwargs) 1701 def apply(self, func, raw=None, args=(), kwargs={}): 1702 return super(Rolling, self).apply( -> 1703 func, raw=raw, args=args, kwargs=kwargs) 1704 1705 @Substitution(name='rolling') d:\program\python37\lib\site-packages\pandas\core\window.py in apply(self, func, raw, args, kwargs) 1010 1011 return self._apply(f, func, args=args, kwargs=kwargs, -> 1012 center=False, raw=raw) 1013 1014 def sum(self, *args, **kwargs): d:\program\python37\lib\site-packages\pandas\core\window.py in _apply(self, func, name, window, center, check_minp, **kwargs) 839 results = [] 840 for b in blocks: --> 841 values = self._prep_values(b.values) 842 843 if values.size == 0: d:\program\python37\lib\site-packages\pandas\core\window.py in _prep_values(self, values, kill_inf) 212 except (ValueError, TypeError): 213 raise TypeError("cannot handle this type -> {0}" --> 214 "".format(values.dtype)) 215 216 if kill_inf: TypeError: cannot handle this type -> object #### Expected Output code desc 2018-01-01 00:00:00 1 hello 2018-01-01 00:00:01 1 hello my name is 2018-01-01 00:00:02 1 my name is rock 2018-01-01 00:00:03 3 bye #### Output of ``pd.show_versions()`` INSTALLED VERSIONS ------------------ commit: None python: 3.7.2.final.0 python-bits: 64 OS: Windows OS-release: 10 machine: AMD64 processor: Intel64 Family 6 Model 158 Stepping 12, GenuineIntel byteorder: little LC_ALL: None LANG: None LOCALE: None.None pandas: 0.24.2 pytest: None pip: 19.0.3 setuptools: 40.6.2 Cython: None numpy: 1.16.2 scipy: 1.2.1 pyarrow: None xarray: None IPython: 7.3.0 sphinx: None patsy: None dateutil: 2.8.0 pytz: 2018.9 blosc: None bottleneck: None tables: None numexpr: None feather: None matplotlib: 3.0.3 openpyxl: None xlrd: None xlwt: None xlsxwriter: None lxml.etree: 4.3.2 bs4: 4.7.1 html5lib: None sqlalchemy: None pymysql: None psycopg2: None jinja2: 2.10.1 s3fs: None fastparquet: None pandas_gbq: None pandas_datareader: None gcsfs: None
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473,130,709
MDU6SXNzdWU0NzMxMzA3MDk=
27,602
Disable codecov
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9
2019-07-26T01:05:09Z
2019-12-21T02:17:52Z
2019-12-21T02:17:52Z
MEMBER
null
I figured worth opening a dedicated issue since I've seen it come up in conversations. We don't really get a lot out of codecov right now and it tends to just be a distraction in CI. I think best to remove from CI unless anyone objects or we have a plan to better utilize Note this would supersede #12634
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473,131,674
MDExOlB1bGxSZXF1ZXN0MzAxMzYwNTgx
27,603
Removed get_value benchmarks
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2
2019-07-26T01:10:11Z
2020-01-16T00:35:07Z
2019-07-26T11:43:09Z
MEMBER
null
Follow up to #27377 @jbrockmendel
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473,153,249
MDExOlB1bGxSZXF1ZXN0MzAxMzc3MjIx
27,604
CLN: simplify indexing code
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1
2019-07-26T02:58:01Z
2019-07-26T15:26:13Z
2019-07-26T11:45:36Z
MEMBER
null
- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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473,162,383
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27,605
'cx_Oracle.LOB‘ object is not subscriptable
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6
2019-07-26T03:41:25Z
2020-01-21T07:50:31Z
2020-01-21T04:12:43Z
NONE
null
> ENV ``` centos 7 python3.6 64-bit cx-Oracle==7.2.0 pandas==0.24.2 Oracle client 12.1 Oracle 12.1 ORACLE_HOME=/usr/lib/oracle/12.1/client64 NLS_LANG=SIMPLIFIED CHINESE_CHINA.UTF8 ``` > CODE ```python import pandas as pd import cx_Oracle as co con = co.connect(client, mode=co.SYSASM) sql = f"select * from {table}" df = pd.read_sql(sql, con) data = df.select_dtypes(include=['object']) ``` > ERROR ``` 'cx_Oracle.LOB‘ object is not subscriptable ``` > Q ``` How to use pandas to get values for other fields that are not of type LOB ``` > LINK [the discuss of cx_Oracle forum](https://github.com/oracle/python-cx_Oracle/issues/336)
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473,162,775
MDExOlB1bGxSZXF1ZXN0MzAxMzg0MjUx
27,606
CLN: one less try/except in Block methods
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1
2019-07-26T03:43:21Z
2019-07-26T15:26:40Z
2019-07-26T11:44:24Z
MEMBER
null
small unrelated cleanups
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473,207,370
MDExOlB1bGxSZXF1ZXN0MzAxNDE5Mjcy
27,607
BUG: break reference cycle in Index._engine
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10
2019-07-26T06:57:23Z
2019-08-08T20:43:29Z
2019-08-08T20:43:27Z
CONTRIBUTOR
null
- [X] closes #27585 - [X] tests added / passed - [X] passes `black pandas` - [X] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [X] whatsnew entry
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27,608
Feature request: add the option of empty query to pandas.DataFrame.query
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2019-07-26T10:22:04Z
2021-07-10T19:11:44Z
2021-07-10T19:11:44Z
NONE
null
#### The idea is to give query the option to return the full dataframe, via some kind of "emtpy query". I need this functionality quite often, since I am iterating on different querys. Had an stackoverflow question on this here: https://stackoverflow.com/questions/55933958/how-to-pass-an-empty-pandas-query/56982068#56982068 ```python import pandas as pd import numpy as np df = pd.DataFrame(np.random.randint(0,100,size=(100, 4)), columns=list('ABCD')) print(df.head()) #current option from stackoverflow col = df.columns[0] returned_df = df.query(f"{col}.isnull() or {col}.notnull()") returned_df.head() ```
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27,609
[DOC] Tautological/recursive `See also` link
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2019-07-26T13:25:31Z
2019-07-26T23:37:01Z
2019-07-26T23:36:48Z
CONTRIBUTOR
null
https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.isnull.html#pandas.DataFrame.isnull Please assign to me.
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27,610
Impossible to use any variant of ".real/.imag" without warning
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2019-07-26T13:42:40Z
2019-07-30T09:10:49Z
2019-07-30T09:10:49Z
CONTRIBUTOR
null
After #27106, `Series.{real,imag}` raise a deprecation warning, which I guess is fair enough from the POV of getting rid of [things](https://github.com/pandas-dev/pandas/issues/18262#issuecomment-343932461) that came originally from subclassing ndarray. ``` >>> pd.Series([1, 2, 3]).real __main__:1: FutureWarning: `real` has be deprecated and will be removed in a future verison array([1, 2, 3], dtype=int64) ``` However, due to the way numpy and pandas still interact (with a lot of the `__array__` stuff behind the scenes), it is now *also* impossible to use `np.{real,imag}` without warning: ``` >>> np.real(pd.Series([1, 2, 3])) C:\ProgramData\Miniconda3\envs\pandas-dev\lib\site-packages\numpy\lib\type_check.py:161: FutureWarning: `real` has be deprecated and will be removed in a future verison return val.real array([1, 2, 3], dtype=int64) ``` I'm fine with whichever way is recommended, but there should be at least one way that does not raise warnings...? @mroeschke @jreback PS. One might also use this chance to fix a typo: "[...] has be*en* deprecated [...]"
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27,611
DEPR: execute deprecations for str.cat in v1.0
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4
2019-07-26T14:59:11Z
2019-07-31T13:21:15Z
2019-07-31T12:32:36Z
CONTRIBUTOR
null
- [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry This executes some deprecations from the 0.23/0.24 cycles, namely following the switch from `join=None` to `join='left'` (following #18657 / #20347), as well as the fact that list-likes *within* list-likes were deprecated (following #21950 / #22264). Since this deprecation closes the loop to my first-ever pandas issue (#18657) and PR (#20347), I'll allow myself a bit of a digression here. After biting off a bit more than I could chew (after finding out just how many cases the method was supposed to support), things got a bit tight with the cut-off for `0.23.0rc`, and @TomAugspurger [quipped](https://github.com/pandas-dev/pandas/pull/20347#issuecomment-385686992): > > @h-vetinari: Thanks for waiting with the cut-off! [...] > @TomAugspurger: Right, we'll keep you on the hook for future maintenance of this :) After #20347 #20790 #20842 #20845 #20923 #21330 #21950 #22264 #22575 #22652 #22721 (-->#23011 #23163 #23167 #23582 ... and several more issues/PRs around `.str`-accessor) #22722 #22725 #23009 (-->#23061 #23065) #23187 #23443 #23723 #23725 #24044 #24045 #26605 #26607 etc., I think I can say that I upheld my end of the bargain. :)
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https://github.com/pandas-dev/pandas/pull/27612
473,407,918
MDExOlB1bGxSZXF1ZXN0MzAxNTgxMDQ5
27,612
CLN: Fix comment in interval.py
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1
2019-07-26T15:12:28Z
2019-07-26T21:02:41Z
2019-07-26T20:58:56Z
NONE
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