Update auth.py

auth.py

@@ -2,6 +2,7 @@
 from fastapi import APIRouter, Depends, HTTPException, Form, Response, status, FastAPI
 from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
 from fastapi.templating import Jinja2Templates
+from fastapi.responses import HTMLResponse
 from pydantic import BaseModel
 from sqlalchemy.orm import Session
 from models import User