remove duplicate params and add defaults

Author: yangdanny97

pandas-stubs/_typing.pyi

@@ -8,7 +8,7 @@ from collections.abc import (
     Sequence,
 )
 import datetime
-from datetime import timedelta, tzinfo
+from datetime import tzinfo
 from os import PathLike
 from re import Pattern
 import sys
@@ -843,8 +843,6 @@ IntoColumn: TypeAlias = (
 )
 
 class PctChangeKwargs(TypedDict, total=False):
-    periods: int
-    freq: Frequency | timedelta | None
     axis: AxisIndex
     fill_value: object | None
 

pandas-stubs/core/frame.pyi

@@ -15,8 +15,8 @@ from typing import (
     Generic,
     Literal,
     NoReturn,
-    overload,
     Unpack,
+    overload,
 )
 
 from _typing import TimeZones
@@ -1989,10 +1989,10 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     def ne(self, other, axis: Axis = ..., level: Level | None = ...) -> Self: ...
     def pct_change(
         self,
-        periods: int = ...,
+        periods: int = 1,
         fill_method: None = ...,
         limit: int | None = ...,
-        freq=...,
+        freq: Frequency | dt.timedelta | None = None,
         **kwargs: Unpack[PctChangeKwargs],
     ) -> Self: ...
     def pop(self, item: _str) -> Series: ...

pandas-stubs/core/series.pyi

@@ -21,8 +21,8 @@ from typing import (
     Generic,
     Literal,
     NoReturn,
-    overload,
     Unpack,
+    overload,
 )
 
 from _typing import (
@@ -1550,10 +1550,10 @@ class Series(IndexOpsMixin[S1], NDFrame):
     ) -> Series[S1]: ...
     def pct_change(
         self,
-        periods: int = ...,
-        fill_method: _str = ...,
+        periods: int = 1,
+        fill_method: None = ...,
         limit: int | None = ...,
-        freq=...,
+        freq: Frequency | timedelta | None = None,
         **kwargs: Unpack[PctChangeKwargs],
     ) -> Series[S1]: ...
     def first_valid_index(self) -> Scalar: ...