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DOC : Delete args and kwargs from pandas.Grouper #58397

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1 change: 0 additions & 1 deletion ci/code_checks.sh
Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
-i "pandas.DatetimeIndex.tz_convert RT03" \
-i "pandas.DatetimeTZDtype SA01" \
-i "pandas.DatetimeTZDtype.tz SA01" \
-i "pandas.Grouper PR02" \
-i "pandas.Index PR07" \
-i "pandas.Index.T SA01" \
-i "pandas.Index.append PR07,RT03,SA01" \
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19 changes: 13 additions & 6 deletions pandas/core/groupby/grouper.py
Original file line number Diff line number Diff line change
Expand Up @@ -67,10 +67,6 @@ class Grouper:

Parameters
----------
*args
Currently unused, reserved for future use.
**kwargs
Dictionary of the keyword arguments to pass to Grouper.
key : str, defaults to None
Groupby key, which selects the grouping column of the target.
level : name/number, defaults to None
Expand Down Expand Up @@ -247,8 +243,19 @@ class Grouper:

_attributes: tuple[str, ...] = ("key", "level", "freq", "sort", "dropna")

def __new__(cls, *args, **kwargs):
if kwargs.get("freq") is not None:
def __new__(
cls,
key=None,
level=None,
freq=None,
sort: bool = False,
closed='left',
label='left',
convention='start',
origin='start_day',
offset=None,
dropna: bool = True,):
if freq is not None:
from pandas.core.resample import TimeGrouper

cls = TimeGrouper
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