reorganize imports with ruff

core/middleware.py

@@ -16,12 +16,13 @@
 
 import importlib
 import threading
+
 from django.conf import settings
-from django.utils.functional import SimpleLazyObject
 from django.contrib.auth import get_user
 from django.contrib.auth.middleware import (
     AuthenticationMiddleware as DjangoAuthenticationMiddleware,
 )
+from django.utils.functional import SimpleLazyObject
 
 module, klass = settings.AUTH_ANONYMOUS_MODEL.rsplit(".", 1)
 AnonymousUser = getattr(importlib.import_module(module), klass)