Update main.py

main.py

@@ -8,6 +8,7 @@ from sqlalchemy.orm import Session
 from auth import verify_token, oauth2_scheme, auth_views, register, UserCreate, authenticate_user, get_user_by_verification_token
 from database import get_db, get_user_by_email
 from datetime import timedelta
+from typing import Optional
 #import auth
 #import tts
 import os