Update pytest to 5.4.3#180

pyup-bot wants to merge 1 commit intomasterAl1rios/libpythonpro:masterfrom

pyup-update-pytest-3.6.1-to-5.4.3Al1rios/libpythonpro:pyup-update-pytest-3.6.1-to-5.4.3Copy head branch name to clipboard