Update flake8 to 5.0.3#426

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

pyup-update-flake8-3.7.9-to-5.0.3joaogarciadelima/libpythonpro:pyup-update-flake8-3.7.9-to-5.0.3Copy head branch name to clipboard