remove 3.8 compat

Author: Matiiss

src_py/sprite.py

@@ -84,15 +84,10 @@
 # specific ones that aren't quite so general but fit into common
 # specialized cases.
 
-import sys
+import types
 from typing import Optional
 from warnings import warn
 
-if sys.version_info[:3] >= (3, 9, 0):
-    from types import GenericAlias
-else:
-    from typing import _GenericAlias as GenericAlias  # type: ignore[name-defined]
-
 import pygame
 from pygame.mask import from_surface
 from pygame.rect import Rect
@@ -377,7 +372,7 @@ class AbstractGroup:
     """
 
     def __class_getitem__(cls, generic):
-        return GenericAlias(cls, generic)
+        return types.GenericAlias(cls, generic)
 
     # protected identifier value to identify sprite groups, and avoid infinite recursion
     _spritegroup = True

test/sprite_test.py

@@ -1,14 +1,9 @@
 #################################### IMPORTS ###################################
 
-import sys
+import types
 import typing
 import unittest
 
-if sys.version_info[:3] >= (3, 9, 0):
-    from types import GenericAlias
-else:
-    from typing import _GenericAlias as GenericAlias  # type: ignore[name-defined]
-
 import pygame
 from pygame import sprite
 
@@ -671,7 +666,7 @@ def test_type_subscript(self):
         except TypeError as e:
             self.fail(e)
 
-        self.assertIsInstance(group_generic_alias, GenericAlias)
+        self.assertIsInstance(group_generic_alias, types.GenericAlias)
         self.assertIs(typing.get_origin(group_generic_alias), sprite.Group)
         self.assertEqual(typing.get_args(group_generic_alias), (sprite.Sprite,))