Isort preparations (#16555)

* Don't treat typing as an "in-between" module for import order

That was a < 3.5 era thing.

* Tighten scope of some pylint unused-import disables

To avoid isort moving a top level one around, undesirably broadening its
scope.

homeassistant/components/google_assistant/auth.py

@@ -1,11 +1,11 @@
 """Google Assistant OAuth View."""
 
 import logging
+from typing import Dict, Any
 
 # Typing imports
 # if False:
 from aiohttp.web import Request, Response
-from typing import Dict, Any
 
 from homeassistant.core import HomeAssistant
 from homeassistant.components.http import HomeAssistantView