diff --git a/app/routers/auth.py b/app/routers/auth.py
index 606c0e5..1155c88 100644
--- a/app/routers/auth.py
+++ b/app/routers/auth.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 import io
-from typing import Annotated, Optional
+from typing import Annotated
 
 from fastapi import APIRouter, Depends, HTTPException, status
 from fastapi.security import OAuth2PasswordRequestForm