refac: modernize type annotations (PEP 604 / PEP 585)

backend/open_webui/utils/access_control/__init__.py

@@ -1,16 +1,15 @@
 import json
 from typing import Any
 
-from open_webui.models.users import UserModel
-from open_webui.models.groups import Groups
+from open_webui.config import DEFAULT_USER_PERMISSIONS
 from open_webui.models.access_grants import (
     has_public_read_access_grant,
     has_public_write_access_grant,
     has_user_access_grant,
     strip_user_access_grants,
 )
-from open_webui.config import DEFAULT_USER_PERMISSIONS
-
+from open_webui.models.groups import Groups
+from open_webui.models.users import UserModel
 from sqlalchemy.ext.asyncio import AsyncSession
 
 
@@ -272,8 +271,8 @@ async def has_base_model_access(
     provider model that has no per-model ACL).  Returns ``False`` the
     moment a registered base model denies access.
     """
-    from open_webui.models.models import Models
     from open_webui.models.access_grants import AccessGrants
+    from open_webui.models.models import Models
 
     base_model_id = getattr(model_info, 'base_model_id', None)
     seen = {model_info.id}

backend/open_webui/utils/access_control/files.py

@@ -1,14 +1,13 @@
 import logging
 
-from open_webui.models.users import UserModel
-from open_webui.models.files import Files
-from open_webui.models.knowledge import Knowledges
+from open_webui.models.access_grants import AccessGrants
 from open_webui.models.channels import Channels
 from open_webui.models.chats import Chats
+from open_webui.models.files import Files
 from open_webui.models.groups import Groups
+from open_webui.models.knowledge import Knowledges
 from open_webui.models.models import Models
-from open_webui.models.access_grants import AccessGrants
-
+from open_webui.models.users import UserModel
 from sqlalchemy.ext.asyncio import AsyncSession
 
 log = logging.getLogger(__name__)