DEPR: setting MultiIndex.name #63032
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rhshadrach
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Nov 11, 2025
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| if not index._is_multi: | ||
| original_name, index.name = index.name, "foo" |
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Test names for a MultiIndex? Also in the other tests in the diff.
| .set_index(TimedeltaIndex([]), append=True)[expected_columns] | ||
| ) | ||
| if len(keys) == 1: | ||
| if len(keys) == 1 and not expected.index._is_multi: |
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It looks like expected.index is always a MultIndex here.
| expected["date"] = pd.to_datetime(expected["date"]) | ||
| expected = expected.set_index("date", append=True, drop=True)[expected_columns] | ||
| if len(keys) == 1: | ||
| if len(keys) == 1 and not expected.index._is_multi: |
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.Could alleviate some confusion, but could also be an annoyance. Not a strong opinion here.