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/util/dt.py

@@ -1,9 +1,7 @@
 """Helper methods to handle the time in Home Assistant."""
 import datetime as dt
 import re
-
-# pylint: disable=unused-import
-from typing import Any, Dict, Union, Optional, Tuple  # NOQA
+from typing import Any, Dict, Union, Optional, Tuple  # noqa pylint: disable=unused-import
 
 import pytz
 import pytz.exceptions as pytzexceptions