  import asyncio
  import os
  import sys
  from unittest import mock, skipIf
  
  from asgiref.sync import async_to_sync
  
  from django.core.cache import DEFAULT_CACHE_ALIAS, caches
  from django.core.exceptions import ImproperlyConfigured, SynchronousOnlyOperation
 
</s> remove from unittest import skipIf
 </s> add  </s> remove @skipIf(
    sys.platform == "win32" and (3, 8, 0) < sys.version_info < (3, 8, 1),
    "https://bugs.python.org/issue38563",
)
 </s> add  </s> remove @skipIf(
    sys.platform == "win32" and (3, 8, 0) < sys.version_info < (3, 8, 1),
    "https://bugs.python.org/issue38563",
)
 </s> add  </s> remove @skipIf(
    sys.platform == "win32" and (3, 8, 0) < sys.version_info < (3, 8, 1),
    "https://bugs.python.org/issue38563",
)
 </s> add  </s> remove @skipIf(
    sys.platform == "win32" and (3, 8, 0) < sys.version_info < (3, 8, 1),
    "https://bugs.python.org/issue38563",
)
 </s> add 
from unittest import mock
  import asyncio
  import os
from unittest import mock
from unittest import mock
  
  from asgiref.sync import async_to_sync
  
  from django.core.cache import DEFAULT_CACHE_ALIAS, caches
  from django.core.exceptions import ImproperlyConfigured, SynchronousOnlyOperation
keep keep replace replace keep keep keep keep keep
 Removed stale Windows asyncio test skips.

Underlying issue was fixed in Python 3.8.1, now many versions ago.
https://bugs.python.org/issue38563 
tests/async/tests.py