Update pyflakes to 3.3.1#634

pyup-bot wants to merge 2 commits intomasterjoaogarciadelima/libpythonpro:masterfrom

pyup-update-pyflakes-2.1.1-to-3.3.1joaogarciadelima/libpythonpro:pyup-update-pyflakes-2.1.1-to-3.3.1Copy head branch name to clipboard