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@rhshadrach rhshadrach added Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Deprecate Functionality to remove in pandas Transformations e.g. cumsum, diff, rank labels May 29, 2023
):
result = gb.fillna(method="ffill", inplace=inplace)
if inplace and inplace is not lib.no_default:
expected = Series([None, None], dtype=object, index=[1, 2])
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i think you need to specify index dtype for windows/32bit builds

@rhshadrach rhshadrach mentioned this pull request Jun 2, 2023
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Closing in favor of #53496

@rhshadrach rhshadrach closed this Jun 3, 2023
@rhshadrach rhshadrach deleted the depr_gb_fillna_inplace branch September 27, 2023 21:02
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Deprecate Functionality to remove in pandas Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Transformations e.g. cumsum, diff, rank

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DEPR: inplace in DataFrameGroupBy.fillna and SeriesGroupBy.fillna

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