Add more type hints to pylint plugin (#118319)

tests/scripts/test_auth.py

@@ -1,5 +1,6 @@
 """Test the auth script to manage local users."""
 
+from asyncio import AbstractEventLoop
 import logging
 from typing import Any
 from unittest.mock import Mock, patch
@@ -125,7 +126,7 @@ async def test_change_password_invalid_user(
         data.validate_login("invalid-user", "new-pass")
 
 
-def test_parsing_args(event_loop) -> None:
+def test_parsing_args(event_loop: AbstractEventLoop) -> None:
     """Test we parse args correctly."""
     called = False