Refactoring code for modular approach

middleware/auth.py

@@ -2,7 +2,7 @@
 from fastapi import HTTPException, Depends
 from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 from passlib.context import CryptContext
-from jose import jwt, JWTError
+from jose import jwt
 from datetime import datetime, timedelta
 from typing import Dict, Any, Optional
 from sqlalchemy.orm import Session