add missing import

Author: twishabansal

packages/toolbox-core/src/toolbox_core/auth_methods.py

@@ -33,6 +33,7 @@
 from datetime import datetime, timedelta, timezone
 from typing import Any, Callable, Coroutine, Dict, Optional
 
+import google.auth
 from google.auth.exceptions import GoogleAuthError
 from google.auth.transport.requests import AuthorizedSession, Request
 from google.oauth2 import id_token