DOC : Delete args and kwargs from pandas.Grouper

ci/code_checks.sh

@@ -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" \

pandas/core/groupby/grouper.py

@@ -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
@@ -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