delete unused imports

auth/router.py

@@ -1,10 +1,9 @@
 from fastapi import APIRouter, Depends, HTTPException, status
 from .models import UserInDb, Role, Token, UserPublic, UserBase
 from .models import get_current_active_user, authenticate_user, create_access_token,get_current_user
-from datetime import timedelta, datetime, timezone
+from datetime import timedelta
 from ..auth.models import get_password_hash, verify_password
-from ..config import ACCESS_TOKEN_EXPIRE_MINUTES
+from typing import Annotated
-from typing import Annotated, Optional
 from sqlmodel import Session
 from ..config import get_session_db
 from fastapi import Depends
@@ -41,7 +40,7 @@ async def login_for_access_token(
     form_data : Annotated[OAuth2PasswordRequestForm, Depends()],
     session : Annotated[Session, Depends(get_session_db)],
 ) -> Token:
-    
+
     user = authenticate_user(session, form_data.username, form_data.password)
     if not user:
         raise HTTPException(
@@ -68,7 +67,7 @@ async def create_user(
 
     if not verify_password(user.password, user_dict['hashed_password']):
         raise HTTPException(status_code=400, detail="Password hashing failed")
-    
+
     db_user = DBUser.model_validate(user_dict)
     session.add(db_user)
     session.commit()