BUG: Raise ParserWarning when on_bad_lines is callable and index_col is set (GH#61882) #61902
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Hi, this PR fixes Issue #[61882]. All pre-commit checks pass locally. The CI failures appear unrelated to this change (macOS/Windows builds, Numpy dev, etc.). Please let me know if anything else is needed. |
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@AbhijitPatill The PR includes over 5,000 file changes — could you double-check if the branch was created from main correctly? Also, I suggest waiting for confirmation from a core member before opening a PR for any issue. |
that is a merged PR relating to datetime. What's the issue with csv parsing? |
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This PR fixes issue #61882. It raises a
ParserWarningwhenon_bad_linesis a callable andindex_colis set, since this combination can lead to unexpected behavior.A test was added in
test_read_csv_warn.pyto ensure the warning is raised appropriately.doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.