0.38.0
Fixed pre-commit parameters for Black
sphinx documentation
Added pyupgrade and flake8-bugbear to pre-commit config (#432)
Remove Python < 3.6 skips and master branch references (#435)
Updated link to now-decommissioned mailing list (#356)
Removed mentions of old Python versions in the installation docs
Created a new release
Recommend build instead of invoking setup.py directly (#439)
Added more pre-commit checks and a tox job for it (#434)