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The dataset generation failed because of a cast error
Error code: DatasetGenerationCastError
Exception: DatasetGenerationCastError
Message: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 7 new columns ({'total_minutes', 'origin', 'journey_code', 'link_count', 'destination', 'priority', 'status'}) and 1 missing columns ({'journey_code\tstep\tlink_id\tfrom_stop\tto_stop\tminutes'}).
This happened while the csv dataset builder was generating data using
hf://datasets/SOTAagi2030/Civic-Shuttle-Accessible-Paths/reports/journey-status.csv (at revision c97ba36d6e529e11e6e2f9ca15acaf3f935ac906), ['hf://datasets/SOTAagi2030/Civic-Shuttle-Accessible-Paths@c97ba36d6e529e11e6e2f9ca15acaf3f935ac906/release/path-steps.tsv', 'hf://datasets/SOTAagi2030/Civic-Shuttle-Accessible-Paths@c97ba36d6e529e11e6e2f9ca15acaf3f935ac906/reports/journey-status.csv', 'hf://datasets/SOTAagi2030/Civic-Shuttle-Accessible-Paths@c97ba36d6e529e11e6e2f9ca15acaf3f935ac906/reports/origin-zone-summary.csv']
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1848, in _prepare_split_single
writer.write_table(table)
~~~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 784, in write_table
self._write_table(pa_table, writer_batch_size=writer_batch_size)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 795, in _write_table
pa_table = table_cast(pa_table, self._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
journey_code: string
origin: string
destination: string
priority: int64
status: string
total_minutes: double
link_count: double
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1108
to
{'journey_code\tstep\tlink_id\tfrom_stop\tto_stop\tminutes': Value('string')}
because column names don't match
During handling of the above exception, another exception occurred:
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 1694, 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 1850, in _prepare_split_single
raise DatasetGenerationCastError.from_cast_error(
...<4 lines>...
)
datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 7 new columns ({'total_minutes', 'origin', 'journey_code', 'link_count', 'destination', 'priority', 'status'}) and 1 missing columns ({'journey_code\tstep\tlink_id\tfrom_stop\tto_stop\tminutes'}).
This happened while the csv dataset builder was generating data using
hf://datasets/SOTAagi2030/Civic-Shuttle-Accessible-Paths/reports/journey-status.csv (at revision c97ba36d6e529e11e6e2f9ca15acaf3f935ac906), ['hf://datasets/SOTAagi2030/Civic-Shuttle-Accessible-Paths@c97ba36d6e529e11e6e2f9ca15acaf3f935ac906/release/path-steps.tsv', 'hf://datasets/SOTAagi2030/Civic-Shuttle-Accessible-Paths@c97ba36d6e529e11e6e2f9ca15acaf3f935ac906/reports/journey-status.csv', 'hf://datasets/SOTAagi2030/Civic-Shuttle-Accessible-Paths@c97ba36d6e529e11e6e2f9ca15acaf3f935ac906/reports/origin-zone-summary.csv']
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
journey_code step link_id from_stop to_stop minutes string |
|---|
J-A 1 L01 Alder Gate Birch Hall 5 |
J-A 2 L05 Birch Hall Delta Clinic 11 |
J-B 1 L05 Birch Hall Delta Clinic 11 |
J-B 2 L06 Delta Clinic Foxtrot Library 8 |
J-C 1 L14 Delta Clinic Cedar Pier 4 |
J-C 2 L12 Cedar Pier Birch Hall 6 |
J-J 1 L04 Cedar Pier Delta Clinic 4 |
J-J 2 L06 Delta Clinic Foxtrot Library 8 |
null |
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