"If it's not important enough to require tests it's not important enough to be in Python." -- Ethan Furman
https://mail.python.org/pipermail/python-committers/2017-April/004436.html -- Steve “Cheer up,” they said, “things could be worse.” So I cheered up, and sure enough, things got worse. -- https://mail.python.org/mailman/listinfo/python-list