Update pytest-mock to 3.1.1#147

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

pyup-update-pytest-mock-1.13.0-to-3.1.1engnogueira/libpythonpro:pyup-update-pytest-mock-1.13.0-to-3.1.1Copy head branch name to clipboard