BUG: no apply to empty df in Styler
#45383
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aberres
reviewed
Jan 16, 2022
|
Can confirm this fixes a 1.4 regression we are triggering with our code base. |
jreback
requested changes
Jan 16, 2022
pandas/io/formats/style.py
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| @@ -1486,6 +1486,8 @@ def _apply( | |||
| subset = slice(None) if subset is None else subset | |||
| subset = non_reducing_slice(subset) | |||
| data = self.data.loc[subset] | |||
| if data.empty: | |||
| return self # don't use DataFrame.apply on empty df | |||
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comment is not needed but this should probably be a .copy()
jreback
approved these changes
Jan 16, 2022
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whatsnew entry 1.4.0 can be backported