R. David Murray added the comment: The two that raise are the two that are required on the concrete class in order for the mixin to work.
Not having tests is certainly an issue worth correcting. ---------- nosy: +r.david.murray _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue20973> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
