[issue15303] Minor revision to the <BaseWidget._setup> method in Tkinter

[Serhiy Storchaka]

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.

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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

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