Tighten up psf/black and flake8 (#2024)

* Tighten up psf/black and flake8

* Fix some tests

* Fix some E741

* Fix some E741

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Christian Clauss committed 6y ago

1f8a21d7276a05442e02570dbbfe27cd4f0365a5

Parent: 21ed896

Committed by GitHub <noreply@github.com> on 5/22/2020, 6:10:11 AM