Update pyyaml to 6.0.2#403

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

pyup-update-pyyaml-6.0.1-to-6.0.2renatodamas/libpythonpro:pyup-update-pyyaml-6.0.1-to-6.0.2Copy head branch name to clipboard