Update flake8 to 3.8.2#295

pyup-bot wants to merge 1 commit intomasterpythonprobr/libpythonpro:masterfrom

pyup-update-flake8-3.7.7-to-3.8.2pythonprobr/libpythonpro:pyup-update-flake8-3.7.7-to-3.8.2Copy head branch name to clipboard