Christian Clauss 1f8a21d727 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>		2020-05-22 08:10:11 +02:00
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binary_tree_traversals.py	Tighten up psf/black and flake8 (#2024)	2020-05-22 08:10:11 +02:00