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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 ({'name', 'title'}) and 7 missing columns ({'Grant', '2013-11-23T02:30:31-08:00', '[email protected]', 'Magna Ut Associates', 'ljenkins', 'Dyer', '2014-05-31T01:06:56-07:00'}).

This happened while the csv dataset builder was generating data using

hf://datasets/severo/csv-papaparse-test-files/sample-header.csv (at revision 9b7c302e021ba69db25a141e88d8dcdc4c8ad71a)

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 "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1831, in _prepare_split_single
                  writer.write_table(table)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 644, in write_table
                  pa_table = table_cast(pa_table, self._schema)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2272, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2218, in cast_table_to_schema
                  raise CastError(
              datasets.table.CastError: Couldn't cast
              title: string
              name: string
              -- schema metadata --
              pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 477
              to
              {'Grant': Value('string'), 'Dyer': Value('string'), '[email protected]': Value('string'), '2013-11-23T02:30:31-08:00': Value('string'), '2014-05-31T01:06:56-07:00': Value('string'), 'Magna Ut Associates': Value('string'), 'ljenkins': 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 1456, in compute_config_parquet_and_info_response
                  parquet_operations = convert_to_parquet(builder)
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1055, in convert_to_parquet
                  builder.download_and_prepare(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 894, in download_and_prepare
                  self._download_and_prepare(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 970, in _download_and_prepare
                  self._prepare_split(split_generator, **prepare_split_kwargs)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1702, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1833, in _prepare_split_single
                  raise DatasetGenerationCastError.from_cast_error(
              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 ({'name', 'title'}) and 7 missing columns ({'Grant', '2013-11-23T02:30:31-08:00', '[email protected]', 'Magna Ut Associates', 'ljenkins', 'Dyer', '2014-05-31T01:06:56-07:00'}).
              
              This happened while the csv dataset builder was generating data using
              
              hf://datasets/severo/csv-papaparse-test-files/sample-header.csv (at revision 9b7c302e021ba69db25a141e88d8dcdc4c8ad71a)
              
              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.

Grant
string
Dyer
string
2013-11-23T02:30:31-08:00
string
2014-05-31T01:06:56-07:00
string
Magna Ut Associates
string
ljenkins
string
Cherokee
Shields
2014-11-22T16:43:51-08:00
2013-09-26T11:47:15-07:00
Pede Corporation
Catherine
Parrish
2015-02-11T12:01:10-08:00
2015-02-26T00:29:40-08:00
Phasellus Fermentum Convallis PC
Destiny
Shannon
2015-07-14T09:38:11-07:00
2014-01-11T14:53:04-08:00
Pretium Et Inc.
Callum
Underwood
2013-09-13T18:49:35-07:00
2014-12-04T23:04:19-08:00
Sed Turpis Nec LLP
ljenkins
Elliott
Wright
2015-04-20T14:35:19-07:00
2015-03-05T12:56:46-08:00
Dolor Associate
Galvin
Foley
2014-03-20T23:20:15-07:00
2014-06-11T15:00:23-07:00
Adipiscing Industrie
Talon
Salinas
2015-01-31T09:19:02-08:00
2014-12-17T04:59:18-08:00
Aliquam Iaculis Incorporate
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End of preview.
YAML Metadata Warning: empty or missing yaml metadata in repo card (https://huggingface.co/docs/hub/datasets-cards)

CSV test files

The 5 CSV files used to test the PapaParse library. Copy done on 2025-10-09.

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