* Add pyupgrade to pre-commit
* Remove unused imports
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
* Add pyupgrade to pre-commit
* Remove unused imports
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>