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DEPR: positional arguments in favor of keyword arguments #48735

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DEPR: positional arguments in favor of keyword arguments #48735

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948eca4
Deprecate positional arguments in favor of keyword arguments
Sep 23, 2022
ca1d1d0
add entry to whatsnew
Sep 23, 2022
a4b0256
Fix: Review comments for deprecation PR
Sep 30, 2022
2acb431
Merge branch 'main' into deprecate_positional_arguments_groupby
ambujpawar Sep 30, 2022
e2602e0
Change whatsnew
Oct 8, 2022
469a9bc
Merge branch 'main' into deprecate_positional_arguments_groupby
Oct 8, 2022
ccfb976
Merge branch 'main' into deprecate_positional_arguments_groupby
ambujpawar Oct 11, 2022
4562ba6
Change value to ``value``
ambujpawar Oct 12, 2022
ac961d0
Move change from indexing to deprecations
Oct 16, 2022
33b9f15
Merge branch 'main' into deprecate_positional_arguments_groupby
Oct 16, 2022
87c525b
ADD: Deprecation warning
Oct 16, 2022
844e9cd
Merge branch 'main' into deprecate_positional_arguments_groupby
ambujpawar Oct 18, 2022
c39993c
use deprecation decorators instead of warning
Oct 26, 2022
8079969
Merge branch 'main' into deprecate_positional_arguments_groupby
Oct 26, 2022
ec1b703
fix: typo in import
Oct 26, 2022
c72091f
Merge branch 'main' into deprecate_positional_arguments_groupby
ambujpawar Oct 27, 2022
48d47f7
Merge branch 'main' into deprecate_positional_arguments_groupby
ambujpawar Jan 13, 2023
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2 changes: 1 addition & 1 deletion doc/source/whatsnew/v2.0.0.rst
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Expand Up @@ -1075,8 +1075,8 @@ Metadata

Other
^^^^^
- Add future warnings in :meth:`DataFrameGroupBy.fillna` and :meth:`SeriesGroupBy.fillna` allowing only keyword arguments to be passed except ``value`` (:issue:`48395`)
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move to section starting on L564 and reword like the others, so maybe "Deprecated...." instead of mentioning FutureWarning.

- Bug in :meth:`Series.searchsorted` inconsistent behavior when accepting :class:`DataFrame` as parameter ``value`` (:issue:`49620`)
-

.. ***DO NOT USE THIS SECTION***

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3 changes: 3 additions & 0 deletions pandas/core/groupby/generic.py
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Expand Up @@ -48,6 +48,7 @@
from pandas.util._decorators import (
Appender,
Substitution,
deprecate_nonkeyword_arguments,
doc,
)

Expand Down Expand Up @@ -788,6 +789,7 @@ def build_codes(lev_codes: np.ndarray) -> np.ndarray:
out = ensure_int64(out)
return self.obj._constructor(out, index=mi, name=self.obj.name)

@deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "value"])
def fillna(
self,
value: object | ArrayLike | None = None,
Expand Down Expand Up @@ -2229,6 +2231,7 @@ def value_counts(
"""
return self._value_counts(subset, normalize, sort, ascending, dropna)

@deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "value"])
def fillna(
self,
value: Hashable | Mapping | Series | DataFrame = None,
Expand Down