diff --git a/api/core/app/apps/advanced_chat/app_generator.py b/api/core/app/apps/advanced_chat/app_generator.py
index 5e7319eefc372e..638cc07461d714 100644
--- a/api/core/app/apps/advanced_chat/app_generator.py
+++ b/api/core/app/apps/advanced_chat/app_generator.py
@@ -4,7 +4,7 @@
 import threading
 import uuid
 from collections.abc import Generator
-from typing import Any, Optional, Literal, Union, overload
+from typing import Any, Literal, Optional, Union, overload
 
 from flask import Flask, current_app
 from pydantic import ValidationError