We should consider dropping support for Python 3.6 which has been EOL since Dec 23, 2021: https://endoflife.date/python

Dropping 3.6 would allow us to use contextvars: https://docs.python.org/3/whatsnew/3.7.html#summary-release-highlights

setuptools already dropped support for it in Dec 2021: https://setuptools.pypa.io/en/latest/history.html#v59-7-0

pip dropped support for it in Jan 2022: https://pip.pypa.io/en/stable/news/#v22-0