BUG: read_csv may interpret second row as index names even if index_col is False #47397
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phofl
commented
Jun 17, 2022
| @@ -466,6 +466,17 @@ def test_index_col_false_and_header_none(python_parser_only): | |||
| 0.5,0.03 | |||
| 0.1,0.2,0.3,2 | |||
| """ | |||
| result = parser.read_csv(StringIO(data), sep=",", header=None, index_col=False) | |||
| with tm.assert_produces_warning(ParserWarning, match="Length of header"): | |||
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This was already showing the warning before (which is correct), hence I added the check
mroeschke
approved these changes
Jun 21, 2022
|
Thanks @phofl |
yehoshuadimarsky
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to yehoshuadimarsky/pandas
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Jul 13, 2022
…ol is False (pandas-dev#47397) * BUG: read_csv may interpret second row as index names even if header is integer * BUG: read_csv may interpret second row as index names even if index_col is False * BUG: read_csv may interpret second row as index names even if index_col is False
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.I think index_col should take precedence over guessing