changed overload order for date.__sub__ and datetime.__sub__ (#10999)

Author: randolf-scholz

stdlib/datetime.pyi

@@ -1,16 +1,14 @@
 import sys
 from abc import abstractmethod
 from time import struct_time
-from typing import ClassVar, Literal, NamedTuple, NoReturn, SupportsIndex, TypeVar, final, overload
+from typing import ClassVar, Literal, NamedTuple, NoReturn, SupportsIndex, final, overload
 from typing_extensions import Self, TypeAlias, deprecated
 
 if sys.version_info >= (3, 11):
     __all__ = ("date", "datetime", "time", "timedelta", "timezone", "tzinfo", "MINYEAR", "MAXYEAR", "UTC")
 elif sys.version_info >= (3, 9):
     __all__ = ("date", "datetime", "time", "timedelta", "timezone", "tzinfo", "MINYEAR", "MAXYEAR")
 
-_D = TypeVar("_D", bound=date)
-
 MINYEAR: Literal[1]
 MAXYEAR: Literal[9999]
 
@@ -90,11 +88,11 @@ class date:
     def __add__(self, __value: timedelta) -> Self: ...
     def __radd__(self, __value: timedelta) -> Self: ...
     @overload
-    def __sub__(self, __value: timedelta) -> Self: ...
-    @overload
     def __sub__(self, __value: datetime) -> NoReturn: ...
     @overload
-    def __sub__(self: _D, __value: _D) -> timedelta: ...
+    def __sub__(self, __value: Self) -> timedelta: ...
+    @overload
+    def __sub__(self, __value: timedelta) -> Self: ...
     def __hash__(self) -> int: ...
     def weekday(self) -> int: ...
     def isoweekday(self) -> int: ...
@@ -292,6 +290,6 @@ class datetime(date):
     def __eq__(self, __value: object) -> bool: ...
     def __hash__(self) -> int: ...
     @overload  # type: ignore[override]
-    def __sub__(self, __value: timedelta) -> Self: ...
+    def __sub__(self, __value: Self) -> timedelta: ...
     @overload
-    def __sub__(self: _D, __value: _D) -> timedelta: ...
+    def __sub__(self, __value: timedelta) -> Self: ...