[Backend Dependencies Update] Update flake8 to 3.8.4#909

pyup-bot wants to merge 1 commit intomastermedtagger/MedTagger:masterfrom

pyup-update-flake8-3.7.8-to-3.8.4medtagger/MedTagger:pyup-update-flake8-3.7.8-to-3.8.4Copy head branch name to clipboard