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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
id: string
b64: string
why: string
board: string
source: struct<config: string, dataset: string, fields_discarded: string, fields_used: list<item: string>, r (... 16 chars omitted)
child 0, config: string
child 1, dataset: string
child 2, fields_discarded: string
child 3, fields_used: list<item: string>
child 0, item: string
child 4, revision: string
corpus: struct<compressed_bytes: int64, documents: int64, documents_dropped_duplicate: int64, documents_drop (... 224 chars omitted)
child 0, compressed_bytes: int64
child 1, documents: int64
child 2, documents_dropped_duplicate: int64
child 3, documents_dropped_leak: int64
child 4, min_doc_bytes: int64
child 5, panel_rows_touched: list<item: null>
child 0, item: null
child 6, raw_bytes: int64
child 7, repetition: string
child 8, seconds: double
child 9, separator: string
child 10, sha256_of_concatenated_documents: string
child 11, skipped_short_documents: int64
decontamination: struct<independent_rescan: string, method: string>
child 0, independent_rescan: string
child 1, method: string
dedupe: string
abi: string
panel: struct<digest: string, rows: int64>
child 0, digest: string
child 1, rows: int64
to
{'abi': Value('string'), 'board': Value('string'), 'corpus': {'compressed_bytes': Value('int64'), 'documents': Value('int64'), 'documents_dropped_duplicate': Value('int64'), 'documents_dropped_leak': Value('int64'), 'min_doc_bytes': Value('int64'), 'panel_rows_touched': List(Value('null')), 'raw_bytes': Value('int64'), 'repetition': Value('string'), 'seconds': Value('float64'), 'separator': Value('string'), 'sha256_of_concatenated_documents': Value('string'), 'skipped_short_documents': Value('int64')}, 'decontamination': {'independent_rescan': Value('string'), 'method': Value('string')}, 'dedupe': Value('string'), 'panel': {'digest': Value('string'), 'rows': Value('int64')}, 'source': {'config': Value('string'), 'dataset': Value('string'), 'fields_discarded': Value('string'), 'fields_used': List(Value('string')), 'revision': Value('string')}, 'why': Value('string')}
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
id: string
b64: string
why: string
board: string
source: struct<config: string, dataset: string, fields_discarded: string, fields_used: list<item: string>, r (... 16 chars omitted)
child 0, config: string
child 1, dataset: string
child 2, fields_discarded: string
child 3, fields_used: list<item: string>
child 0, item: string
child 4, revision: string
corpus: struct<compressed_bytes: int64, documents: int64, documents_dropped_duplicate: int64, documents_drop (... 224 chars omitted)
child 0, compressed_bytes: int64
child 1, documents: int64
child 2, documents_dropped_duplicate: int64
child 3, documents_dropped_leak: int64
child 4, min_doc_bytes: int64
child 5, panel_rows_touched: list<item: null>
child 0, item: null
child 6, raw_bytes: int64
child 7, repetition: string
child 8, seconds: double
child 9, separator: string
child 10, sha256_of_concatenated_documents: string
child 11, skipped_short_documents: int64
decontamination: struct<independent_rescan: string, method: string>
child 0, independent_rescan: string
child 1, method: string
dedupe: string
abi: string
panel: struct<digest: string, rows: int64>
child 0, digest: string
child 1, rows: int64
to
{'abi': Value('string'), 'board': Value('string'), 'corpus': {'compressed_bytes': Value('int64'), 'documents': Value('int64'), 'documents_dropped_duplicate': Value('int64'), 'documents_dropped_leak': Value('int64'), 'min_doc_bytes': Value('int64'), 'panel_rows_touched': List(Value('null')), 'raw_bytes': Value('int64'), 'repetition': Value('string'), 'seconds': Value('float64'), 'separator': Value('string'), 'sha256_of_concatenated_documents': Value('string'), 'skipped_short_documents': Value('int64')}, 'decontamination': {'independent_rescan': Value('string'), 'method': Value('string')}, 'dedupe': Value('string'), 'panel': {'digest': Value('string'), 'rows': Value('int64')}, 'source': {'config': Value('string'), 'dataset': Value('string'), 'fields_discarded': Value('string'), 'fields_used': List(Value('string')), 'revision': Value('string')}, 'why': Value('string')}
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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