fix

main.py

@@ -132,7 +132,7 @@ async def create_user(username: str, password: str, email: Optional[str] = None)
         )
 
     user_data = {
-        "user_id": await generate_numeric_user_id(),
+        "user_id": generate_numeric_user_id(),
         "username": username,
         "password": password,
         "email": email,