asgi fix maybe

src/c3nav/control/middleware.py

@@ -2,8 +2,6 @@ from channels.db import database_sync_to_async
 from channels.middleware import BaseMiddleware as BaseChannelsMiddleware
 from django.utils.functional import LazyObject, SimpleLazyObject, lazy
 
-from c3nav.control.models import UserPermissions, UserSpaceAccess
-
 
 class UserPermissionsLazyObject(LazyObject):
     def _setup(self):
@@ -23,6 +21,7 @@ class UserPermissionsMiddleware:
             return getattr(request, '_user_permissions_cache')
         except AttributeError:
             pass
+        from c3nav.control.models import UserPermissions
         result = UserPermissions.get_for_user(request.user)
         request._user_permissions_cache = result
         return result
@@ -33,6 +32,7 @@ class UserPermissionsMiddleware:
             return getattr(request, '_user_space_accesses_cache')
         except AttributeError:
             pass
+        from c3nav.control.models import UserSpaceAccess
         result = UserSpaceAccess.get_for_user(request.user)
         request._user_space_accesses_cache = result
         return result
@@ -46,6 +46,7 @@ class UserPermissionsMiddleware:
 class UserPermissionsChannelMiddleware(BaseChannelsMiddleware):
     async def __call__(self, scope, receive, send):
         # todo: this doesn't seem to actually be lazy. and scope["user"] isn't either?
+        from c3nav.control.models import UserPermissions
         scope["user_permissions"] = UserPermissionsLazyObject()
         scope["user_permissions"]._wrapped = await database_sync_to_async(UserPermissions.get_for_user)(scope["user"])