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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
attribution: string
creator: string
date: string
decision_history: list<item: struct<at: string, reason: string, state: string>>
  child 0, item: struct<at: string, reason: string, state: string>
      child 0, at: string
      child 1, reason: string
      child 2, state: string
description: string
file_url: string
id: string
license_templates: list<item: string>
  child 0, item: string
location: string
media_evidence: struct<bytes: int64, mime_type: string, sha256: string>
  child 0, bytes: int64
  child 1, mime_type: string
  child 2, sha256: string
media_type: string
mime_type: string
original_file_url: string
page_url: string
pageid: int64
retrieved_at: string
source_institution: string
source_snapshot: struct<page: struct<imageinfo: list<item: struct<descriptionshorturl: string, descriptionurl: string (... 1568 chars omitted)
  child 0, page: struct<imageinfo: list<item: struct<descriptionshorturl: string, descriptionurl: string, extmetadata (... 1532 chars omitted)
      child 0, imageinfo: list<item: struct<descriptionshorturl: string, descriptionurl: string, extmetadata: struct<Artist: s (... 1356 chars omitted)
          child 0, item: struct<descriptionshorturl: string, descriptionurl: string, extmetadata: struct<Artist: struct<sourc (... 1344 chars omitted)
              child 0, descriptionshorturl: string
              child 1, descriptionurl: string
              child 2, extmetadata: struct<Artist: struct<source: string, value: string>, Assessments: struct<hid
...
        child 1, source: string
                      child 2, value: string
                  child 17, UsageTerms: struct<source: string, value: string>
                      child 0, source: string
                      child 1, value: string
              child 3, mime: string
              child 4, responsiveUrls: struct<2: string>
                  child 0, 2: string
              child 5, thumbattribs: struct<decoding: string, height: int64, loading: string, src: string, srcset: string, width: int64>
                  child 0, decoding: string
                  child 1, height: int64
                  child 2, loading: string
                  child 3, src: string
                  child 4, srcset: string
                  child 5, width: int64
              child 6, thumbheight: int64
              child 7, thumburl: string
              child 8, thumbwidth: int64
              child 9, url: string
      child 1, imagerepository: string
      child 2, ns: int64
      child 3, pageid: int64
      child 4, title: string
      child 5, coordinates: list<item: struct<globe: string, lat: double, lon: double, primary: string>>
          child 0, item: struct<globe: string, lat: double, lon: double, primary: string>
              child 0, globe: string
              child 1, lat: double
              child 2, lon: double
              child 3, primary: string
  child 1, retrieved_at: string
state: string
title: string
validation_errors: list<item: null>
  child 0, item: null
to
{'id': Value('string'), 'location': Json(decode=True)}
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
              attribution: string
              creator: string
              date: string
              decision_history: list<item: struct<at: string, reason: string, state: string>>
                child 0, item: struct<at: string, reason: string, state: string>
                    child 0, at: string
                    child 1, reason: string
                    child 2, state: string
              description: string
              file_url: string
              id: string
              license_templates: list<item: string>
                child 0, item: string
              location: string
              media_evidence: struct<bytes: int64, mime_type: string, sha256: string>
                child 0, bytes: int64
                child 1, mime_type: string
                child 2, sha256: string
              media_type: string
              mime_type: string
              original_file_url: string
              page_url: string
              pageid: int64
              retrieved_at: string
              source_institution: string
              source_snapshot: struct<page: struct<imageinfo: list<item: struct<descriptionshorturl: string, descriptionurl: string (... 1568 chars omitted)
                child 0, page: struct<imageinfo: list<item: struct<descriptionshorturl: string, descriptionurl: string, extmetadata (... 1532 chars omitted)
                    child 0, imageinfo: list<item: struct<descriptionshorturl: string, descriptionurl: string, extmetadata: struct<Artist: s (... 1356 chars omitted)
                        child 0, item: struct<descriptionshorturl: string, descriptionurl: string, extmetadata: struct<Artist: struct<sourc (... 1344 chars omitted)
                            child 0, descriptionshorturl: string
                            child 1, descriptionurl: string
                            child 2, extmetadata: struct<Artist: struct<source: string, value: string>, Assessments: struct<hid
              ...
                      child 1, source: string
                                    child 2, value: string
                                child 17, UsageTerms: struct<source: string, value: string>
                                    child 0, source: string
                                    child 1, value: string
                            child 3, mime: string
                            child 4, responsiveUrls: struct<2: string>
                                child 0, 2: string
                            child 5, thumbattribs: struct<decoding: string, height: int64, loading: string, src: string, srcset: string, width: int64>
                                child 0, decoding: string
                                child 1, height: int64
                                child 2, loading: string
                                child 3, src: string
                                child 4, srcset: string
                                child 5, width: int64
                            child 6, thumbheight: int64
                            child 7, thumburl: string
                            child 8, thumbwidth: int64
                            child 9, url: string
                    child 1, imagerepository: string
                    child 2, ns: int64
                    child 3, pageid: int64
                    child 4, title: string
                    child 5, coordinates: list<item: struct<globe: string, lat: double, lon: double, primary: string>>
                        child 0, item: struct<globe: string, lat: double, lon: double, primary: string>
                            child 0, globe: string
                            child 1, lat: double
                            child 2, lon: double
                            child 3, primary: string
                child 1, retrieved_at: string
              state: string
              title: string
              validation_errors: list<item: null>
                child 0, item: null
              to
              {'id': Value('string'), 'location': Json(decode=True)}
              because column names don't match

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