Update flake8 to 3.8.3 (from 3.8.1).
Also finally applied the updated to problem-matchers, so we no longer need to sed the flake8 output. Additionally, did some minor cleanup.
Update flake8 to 3.8.3 (from 3.8.1).
Also finally applied the updated to problem-matchers, so we no longer need to sed the flake8 output. Additionally, did some minor cleanup.