Update coverage to 6.0.1#591

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

pyup-update-coverage-4.5.3-to-6.0.1pythonprobr/libpythonpro:pyup-update-coverage-4.5.3-to-6.0.1Copy head branch name to clipboard