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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 2 new columns ({'eligible_taps', 'journeys'}) and 6 missing columns ({'route_id', 'mode', 'event_id', 'uncapped_fare_cents', 'tapped_at', 'journey_seq'}).
This happened while the csv dataset builder was generating data using
hf://datasets/SOTAagi2030/Spring-Transit-Fare-Close-253/reports/rider-daily.csv (at revision d92e1595d7f0dae17d07ca030082094075f23e26), ['hf://datasets/SOTAagi2030/Spring-Transit-Fare-Close-253@d92e1595d7f0dae17d07ca030082094075f23e26/data/tap-reconciliation.csv', 'hf://datasets/SOTAagi2030/Spring-Transit-Fare-Close-253@d92e1595d7f0dae17d07ca030082094075f23e26/reports/rider-daily.csv', 'hf://datasets/SOTAagi2030/Spring-Transit-Fare-Close-253@d92e1595d7f0dae17d07ca030082094075f23e26/reports/tap-audit.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
rider_id: string
service_date: string
eligible_taps: int64
journeys: int64
charged_cents: int64
payable_cents: int64
adjustment_cents: int64
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1128
to
{'event_id': Value('string'), 'rider_id': Value('string'), 'service_date': Value('string'), 'tapped_at': Value('string'), 'mode': Value('string'), 'route_id': Value('string'), 'journey_seq': Value('int64'), 'charged_cents': Value('int64'), 'uncapped_fare_cents': Value('int64'), 'payable_cents': Value('int64'), 'adjustment_cents': Value('int64')}
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 2 new columns ({'eligible_taps', 'journeys'}) and 6 missing columns ({'route_id', 'mode', 'event_id', 'uncapped_fare_cents', 'tapped_at', 'journey_seq'}).
This happened while the csv dataset builder was generating data using
hf://datasets/SOTAagi2030/Spring-Transit-Fare-Close-253/reports/rider-daily.csv (at revision d92e1595d7f0dae17d07ca030082094075f23e26), ['hf://datasets/SOTAagi2030/Spring-Transit-Fare-Close-253@d92e1595d7f0dae17d07ca030082094075f23e26/data/tap-reconciliation.csv', 'hf://datasets/SOTAagi2030/Spring-Transit-Fare-Close-253@d92e1595d7f0dae17d07ca030082094075f23e26/reports/rider-daily.csv', 'hf://datasets/SOTAagi2030/Spring-Transit-Fare-Close-253@d92e1595d7f0dae17d07ca030082094075f23e26/reports/tap-audit.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.
event_id string | rider_id string | service_date string | tapped_at string | mode string | route_id string | journey_seq int64 | charged_cents int64 | uncapped_fare_cents int64 | payable_cents int64 | adjustment_cents int64 |
|---|---|---|---|---|---|---|---|---|---|---|
T09 | R-17 | 2026-04-12 | 2026-04-12T08:00:00Z | bus | B7 | 1 | 275 | 275 | 275 | 0 |
T02 | R-17 | 2026-04-12 | 2026-04-12T08:45:00Z | rail | L2 | 1 | 425 | 0 | 0 | 425 |
T01 | R-03 | 2026-04-12 | 2026-04-12T09:00:00Z | rail | L4 | 1 | 425 | 425 | 425 | 0 |
T15 | R-03 | 2026-04-12 | 2026-04-12T09:00:00Z | bus | B2 | 1 | 275 | 0 | 0 | 275 |
T14 | R-17 | 2026-04-12 | 2026-04-12T10:10:00Z | bus | B9 | 2 | 275 | 275 | 275 | 0 |
T11 | R-17 | 2026-04-12 | 2026-04-12T11:00:00Z | ferry | F1 | 2 | 500 | 0 | 0 | 500 |
T05 | R-17 | 2026-04-12 | 2026-04-12T18:30:00Z | rail | L2 | 3 | 425 | 425 | 150 | 275 |
T07 | R-03 | 2026-04-13 | 2026-04-13T09:00:00Z | ferry | F2 | 1 | 500 | 500 | 500 | 0 |
T03 | R-03 | 2026-04-13 | 2026-04-13T10:20:00Z | bus | B2 | 2 | 275 | 275 | 200 | 75 |
T04 | R-55 | 2026-04-20 | 2026-04-20T07:00:00Z | bus | E3 | 1 | 200 | 275 | 275 | -75 |
T08 | R-42 | 2026-04-29 | 2026-04-29T23:20:00Z | bus | N1 | 1 | 300 | 275 | 275 | 25 |
T12 | R-42 | 2026-04-30 | 2026-04-30T00:10:00Z | bus | N1 | 1 | 275 | 275 | 275 | 0 |
null | R-03 | 2026-04-12 | null | null | null | null | 700 | null | 425 | 275 |
null | R-17 | 2026-04-12 | null | null | null | null | 1,900 | null | 700 | 1,200 |
null | R-03 | 2026-04-13 | null | null | null | null | 775 | null | 700 | 75 |
null | R-55 | 2026-04-20 | null | null | null | null | 200 | null | 275 | -75 |
null | R-42 | 2026-04-29 | null | null | null | null | 300 | null | 275 | 25 |
null | R-42 | 2026-04-30 | null | null | null | null | 275 | null | 275 | 0 |
T09 | R-17 | null | null | null | null | null | null | null | null | null |
T02 | R-17 | null | null | null | null | null | null | null | null | null |
T14 | R-17 | null | null | null | null | null | null | null | null | null |
T11 | R-17 | null | null | null | null | null | null | null | null | null |
T05 | R-17 | null | null | null | null | null | null | null | null | null |
T01 | R-03 | null | null | null | null | null | null | null | null | null |
T15 | R-03 | null | null | null | null | null | null | null | null | null |
T07 | R-03 | null | null | null | null | null | null | null | null | null |
T03 | R-03 | null | null | null | null | null | null | null | null | null |
T08 | R-42 | null | null | null | null | null | null | null | null | null |
T12 | R-42 | null | null | null | null | null | null | null | null | null |
T04 | R-55 | null | null | null | null | null | null | null | null | null |
T06 | R-99 | null | null | null | null | null | null | null | null | null |
T10 | R-88 | null | null | null | null | null | null | null | null | null |
T13 | R-55 | null | null | null | null | null | null | null | null | null |
T16 | R-55 | null | null | null | null | null | null | null | null | null |
T17 | R-55 | null | null | null | null | null | null | null | null | null |
T18 | R-55 | null | null | null | null | null | null | null | null | null |
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