REGR: SeriesGroupBy where index has a tuple name fails #37801
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rhshadrach
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thanks @rhshadrach keem em coming! |
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@meeseeksdev backport 1.1.x |
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…re index has a tuple name fails
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…as a tuple name fails (#37829) Co-authored-by: Richard Shadrach <[email protected]>
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black pandasgit diff upstream/master -u -- "*.py" | flake8 --diffThe groupby code that calls
Series.__getitem__catchesKeyErrorandTypeError. If a tuple is fed into anIndexthat is not aMultiIndex, we were raising aValueErrorbutKeyErrorseems more appropriate here and also fixes the regression.While working on this, I found that we raise a
KeyErrorinappropriately if an index of tuples contains duplicates, however this exists back in 1.0.x and so is not part of the regression. I've opened #37800 for this.