Improved (again) handling of default return values for MagicMock
Improved (again) handling of default return values for MagicMock

fladi/mock,rbtcollins/mock,sorenh/mock,dannybtran/mock,lord63-forks/mock,kostyll/mock,testing-cabal/mock,johndeng/mock,frankier/mock,nett55/mock,pypingou/mock,scorphus/mock,derwiki-adroll/mock,OddBloke/mock