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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
codebase_version: string
fps: int64
features: struct<action: struct<dtype: string, names: list<item: string>, shape: list<item: int64>>, observati (... 1402 chars omitted)
child 0, action: struct<dtype: string, names: list<item: string>, shape: list<item: int64>>
child 0, dtype: string
child 1, names: list<item: string>
child 0, item: string
child 2, shape: list<item: int64>
child 0, item: int64
child 1, observation.state: struct<dtype: string, names: list<item: string>, shape: list<item: int64>>
child 0, dtype: string
child 1, names: list<item: string>
child 0, item: string
child 2, shape: list<item: int64>
child 0, item: int64
child 2, observation.images.right_wrist: struct<dtype: string, shape: list<item: int64>, names: list<item: string>, info: struct<is_depth_map (... 291 chars omitted)
child 0, dtype: string
child 1, shape: list<item: int64>
child 0, item: int64
child 2, names: list<item: string>
child 0, item: string
child 3, info: struct<is_depth_map: bool, video.height: int64, video.width: int64, video.codec: string, video.pix_f (... 209 chars omitted)
child 0, is_depth_map: bool
child 1, video.height: int64
child 2, video.width: int64
child 3, video.codec: string
child 4, video.pix_fmt: string
child 5, video.fps: int64
child 6, video.channels: int64
child 7, has_a
...
ng>
child 0, train: string
wrist_flex: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
gripper: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
wrist_roll: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
shoulder_lift: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
shoulder_pan: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
elbow_flex: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
to
{'shoulder_pan': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'shoulder_lift': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'elbow_flex': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'wrist_flex': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'wrist_roll': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'gripper': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
codebase_version: string
fps: int64
features: struct<action: struct<dtype: string, names: list<item: string>, shape: list<item: int64>>, observati (... 1402 chars omitted)
child 0, action: struct<dtype: string, names: list<item: string>, shape: list<item: int64>>
child 0, dtype: string
child 1, names: list<item: string>
child 0, item: string
child 2, shape: list<item: int64>
child 0, item: int64
child 1, observation.state: struct<dtype: string, names: list<item: string>, shape: list<item: int64>>
child 0, dtype: string
child 1, names: list<item: string>
child 0, item: string
child 2, shape: list<item: int64>
child 0, item: int64
child 2, observation.images.right_wrist: struct<dtype: string, shape: list<item: int64>, names: list<item: string>, info: struct<is_depth_map (... 291 chars omitted)
child 0, dtype: string
child 1, shape: list<item: int64>
child 0, item: int64
child 2, names: list<item: string>
child 0, item: string
child 3, info: struct<is_depth_map: bool, video.height: int64, video.width: int64, video.codec: string, video.pix_f (... 209 chars omitted)
child 0, is_depth_map: bool
child 1, video.height: int64
child 2, video.width: int64
child 3, video.codec: string
child 4, video.pix_fmt: string
child 5, video.fps: int64
child 6, video.channels: int64
child 7, has_a
...
ng>
child 0, train: string
wrist_flex: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
gripper: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
wrist_roll: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
shoulder_lift: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
shoulder_pan: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
elbow_flex: struct<id: int64, drive_mode: int64, homing_offset: int64, range_min: int64, range_max: int64>
child 0, id: int64
child 1, drive_mode: int64
child 2, homing_offset: int64
child 3, range_min: int64
child 4, range_max: int64
to
{'shoulder_pan': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'shoulder_lift': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'elbow_flex': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'wrist_flex': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'wrist_roll': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}, 'gripper': {'id': Value('int64'), 'drive_mode': Value('int64'), 'homing_offset': Value('int64'), 'range_min': Value('int64'), 'range_max': Value('int64')}}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
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