Update pytest to 5.4.0#217

pyup-bot wants to merge 2 commits intomasterjoaogarciadelima/libpythonpro:masterfrom

pyup-update-pytest-5.3.2-to-5.4.0joaogarciadelima/libpythonpro:pyup-update-pytest-5.3.2-to-5.4.0Copy head branch name to clipboard