perf: 优化MFA verify requierd

apps/assets/api/asset_user.py

@@ -10,10 +10,10 @@ from common.permissions import IsOrgAdminOrAppUser, NeedMFAVerify
 from common.utils import get_object_or_none, get_logger
 from common.mixins import CommonApiMixin
 from ..backends import AssetUserManager
-from ..models import Asset, Node, SystemUser
+from ..models import Node
 from .. import serializers
 from ..tasks import (
-    test_asset_users_connectivity_manual, push_system_user_a_asset_manual
+    test_asset_users_connectivity_manual
 )
 
 
@@ -100,12 +100,6 @@ class AssetUserViewSet(CommonApiMixin, BulkModelViewSet):
         obj = queryset.get(id=pk)
         return obj
 
-    def get_exception_handler(self):
-        def handler(e, context):
-            logger.error(e, exc_info=True)
-            return Response({"error": str(e)}, status=400)
-        return handler
-
     def perform_destroy(self, instance):
         manager = AssetUserManager()
         manager.delete(instance)