Fixes:
File "/usr/lib/python3.11/_strptime.py", line 352, in _strptime
raise ValueError("unconverted data remains: %s" %
ValueError: unconverted data remains: UTC
Some of the misc issues were found with mypy. Not adding it to dev deps
for now as it complains about missing types in libraries and does not
honor noqa where we need it (non-literal TypedDict keys).