Add pyupgrade to pre-commit (#5638)
* Add pyupgrade to pre-commit
* Remove unused imports
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> C
Christian Clauss committed
477cc3fe597fd931c742700284016b937c778fe1
Parent: 70368a7
Committed by GitHub <noreply@github.com>
on 10/28/2021, 2:45:59 PM