[issue38661] Changes to tkinter result in (unexpected) widget map call return changes wrt. 3.7

[Juliette Monsel]

Change by Juliette Monsel <j_4321 at protonmail.com>:


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nosy: +j-4321-i

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38661>
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