fix test qr code

app/services/auth.py

@@ -2,7 +2,7 @@ import base64
 import json
 from fastapi import HTTPException, UploadFile
 from fastapi.responses import JSONResponse
-from app import db
+from app.db.database import db
 from app.models.user import UserLogin, UserInDB, UserCreate, Session
 from app.utils.misc import (
     verify_password,
@@ -24,7 +24,7 @@ env_path = Path(__file__).parent.parent / ".env"
 load_dotenv(dotenv_path=env_path)
 FILES_URL = os.getenv("FILES_URL")
 
-qr_logins_collection = db["qr_logins"]
+qr_logins_collection = db.qr_logins
 
 class AuthService:
     async def register(self, user: UserCreate):