fix

backend/app/app/api/api_v1/endpoints/ytviewspayment.py

@@ -148,7 +148,7 @@ def ecpay_payment(
   *,
   db: Session = Depends(deps.get_db),
   user_data: schemas.YTViewsCreate,
-  lang: str
+  lang: str=''
 ):
     print(user_data)
     numbers = string.digits