Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment:
Accepting None has a drawback. It can hide a bug when the key function unexpectedly becomes None. ---------- nosy: +bethard, rhettinger, serhiy.storchaka _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue34149> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
