Serhiy Storchaka added the comment: Here is a patch against 3.4 which contains proposed OP change and a lot of similar changes in different places. I'm not sure that this should be considered as a bug fix and not as an enhancement.
Drew, as a workaround you can implement __bool__() method which returns True for your widget. Or even better, do not make your container sequence-like. ---------- keywords: +patch nosy: +serhiy.storchaka stage: needs patch -> patch review versions: +Python 3.4 -Python 2.7 Added file: http://bugs.python.org/file28410/tkinter_widget_is_none.patch _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue15303> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com