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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    TypeError
Message:      Couldn't cast array of type string to null
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1816, in _prepare_split_single
                  for key, table in generator:
                                    ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 613, in wrapped
                  for item in generator(*args, **kwargs):
                              ~~~~~~~~~^^^^^^^^^^^^^^^^^
                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 2369, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2303, in cast_table_to_schema
                  cast_array_to_feature(
                  ~~~~~~~~~~~~~~~~~~~~~^
                      table[name] if name in table_column_names else pa.array([None] * len(table), type=schema.field(name).type),
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                      feature,
                      ^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1852, in wrapper
                  return pa.chunked_array([func(chunk, *args, **kwargs) for chunk in array.chunks])
                                           ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2109, in cast_array_to_feature
                  casted_array_values = _c(array.values, feature.feature)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
                  return func(array, *args, **kwargs)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2059, in cast_array_to_feature
                  _c(array.field(name) if name in array_fields else null_array, subfeature)
                  ~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
                  return func(array, *args, **kwargs)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2143, in cast_array_to_feature
                  return array_cast(
                      array,
                  ...<2 lines>...
                      allow_decimal_to_str=allow_decimal_to_str,
                  )
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
                  return func(array, *args, **kwargs)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2005, in array_cast
                  raise TypeError(f"Couldn't cast array of type {_short_str(array.type)} to {_short_str(pa_type)}")
              TypeError: Couldn't cast array of type string to null
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1683, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1869, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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schema_version
int64
task_id
string
test_index
int64
gold
list
identity_exact
bool
nested
dict
candidates
list
model_sha256
string
2
00576224
0
[ [ 3, 2, 3, 2, 3, 2 ], [ 7, 8, 7, 8, 7, 8 ], [ 2, 3, 2, 3, 2, 3 ], [ 8, 7, 8, 7, 8, 7 ], [ 3, 2, 3, 2, 3, 2 ], [ 7, 8, 7, 8, 7, 8 ] ]
false
{ "14": { "logical_candidates": 14, "valid_candidates": 14, "distinct_predictions": 6, "top2_predictions": [ [ [ 3, 2, 3, 2 ], [ 7, 8, 7, 8 ], [ 3, 2, ...
[ { "candidate_index": 0, "spatial_index": 0, "spatial": "identity", "transform": "identity", "color_index": 0, "color_mapping": [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ], "order_index": 0, "permutation": 0, "demo_order": [ ...
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
009d5c81
0
[[0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,7,7,7,7,7,7,7,7,7],[0,0,0,0,0,7,0,0,0,7,0,7,0,7],[0,0,0,0,(...TRUNCATED)
false
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":2,"top2_predictions":[[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
00dbd492
0
[[0,0,0,0,0,0,0,0,0,0,0,2,2,2,2,2,0,0,0,0],[0,2,2,2,2,2,2,2,2,2,0,2,8,8,8,2,0,0,0,0],[0,2,3,3,3,3,3,(...TRUNCATED)
false
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":2,"top2_predictions":[[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
03560426
0
[[7,0,0,0,0,0,0,0,0,0],[7,0,0,0,0,0,0,0,0,0],[7,0,0,0,0,0,0,0,0,0],[8,8,0,0,0,0,0,0,0,0],[8,8,0,0,0,(...TRUNCATED)
false
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":10,"top2_predictions":[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
05a7bcf2
0
[[0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0],[2,2,2,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,(...TRUNCATED)
false
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":7,"top2_predictions":[[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
0607ce86
0
[[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,2,2,8,2,2,0,2,2,8,2,2,0,2,2,8,2,2,0,0,0,0],[0,3,3,(...TRUNCATED)
false
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":10,"top2_predictions":[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
0692e18c
0
[[0,0,0,0,0,0,3,3,0],[0,0,0,0,0,0,0,0,3],[0,0,0,0,0,0,3,0,3],[3,3,0,3,3,0,0,0,0],[0,0,3,0,0,3,0,0,0](...TRUNCATED)
false
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":1,"top2_predictions":[[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
070dd51e
0
[[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,3,0,0,0,(...TRUNCATED)
true
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":2,"top2_predictions":[[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
08573cc6
0
[[0,0,0,0,0,0,0,0,0,0,0,0,8],[2,2,2,2,2,2,2,2,2,2,8,0,8],[8,0,0,0,0,0,0,0,0,0,8,0,8],[8,0,2,2,2,2,2,(...TRUNCATED)
false
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":8,"top2_predictions":[[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
2
0934a4d8
0
[ [ 7, 7, 9 ], [ 7, 2, 9 ], [ 7, 2, 9 ], [ 7, 7, 9 ], [ 4, 4, 7 ], [ 4, 4, 7 ], [ 6, 6, 1 ], [ 6, 6, 6 ], [ 1, 6, 1 ] ]
false
{"14":{"logical_candidates":14,"valid_candidates":14,"distinct_predictions":11,"top2_predictions":[[(...TRUNCATED)
[{"candidate_index":0,"spatial_index":0,"spatial":"identity","transform":"identity","color_index":0,(...TRUNCATED)
5fd2d8c8f320be3debec07a1008d38e038e3c3401fdb292255dfc0b48bc77b43
End of preview.