remove 3.8 compat

Author: Matiiss

buildconfig/stubs/pygame/sprite.pyi

@@ -1,4 +1,4 @@
-import typing
+import types
 from typing import (
     Any,
     Callable,
@@ -150,7 +150,7 @@ _TDirtySprite = TypeVar("_TDirtySprite", bound=_DirtySpriteSupportsGroup)
 class AbstractGroup(Generic[_TSprite]):
     spritedict: Dict[_TSprite, Optional[Union[FRect, Rect]]]
     lostsprites: List[Union[FRect, Rect]]
-    def __class_getitem__(cls, generic: Any) -> typing._GenericAlias: ...  # type: ignore[name-defined]
+    def __class_getitem__(cls, generic: Any) -> types.GenericAlias: ...
     def __init__(self) -> None: ...
     def __len__(self) -> int: ...
     def __iter__(self) -> Iterator[_TSprite]: ...