ENH: Raise ParserError instead of IndexError when specifying an incorrect number of columns with index_col for the read_csv C parser. #48774
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…number of columns with index_col for the read_csv C parser.
DriesSchaumont
added
Enhancement
Error Reporting
mroeschke
reviewed
Sep 26, 2022
doc/source/whatsnew/v1.6.0.rst
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| @@ -35,7 +35,7 @@ Other enhancements | |||
| - Added ``index`` parameter to :meth:`DataFrame.to_dict` (:issue:`46398`) | |||
| - Added metadata propagation for binary operators on :class:`DataFrame` (:issue:`28283`) | |||
| - :class:`.CategoricalConversionWarning`, :class:`.InvalidComparison`, :class:`.InvalidVersion`, :class:`.LossySetitemError`, and :class:`.NoBufferPresent` are now exposed in ``pandas.errors`` (:issue:`27656`) | |||
| - | |||
| - :func:`read_csv`: specifying an incorrect number of columns with ``index_col`` of now raises ``ParserError`` instead of ``IndexError`` when using the c parser. | |||
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Could you put this under Other API changes? While this is an improvement, this is technically changing the exception class (albeit for the better)
mroeschke
approved these changes
Sep 27, 2022
|
Thanks @DriesSchaumont |
noatamir
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to noatamir/pandas
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Nov 9, 2022
…rect number of columns with index_col for the read_csv C parser. (pandas-dev#48774) * Raise ParserError instead of IndexError when specifying an incorrect number of columns with index_col for the read_csv C parser. * Move whatsnew entry * Cleanup after moving whatsnew * Cleanup after moving whatsnew (pt. 2)
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.