[issue45967] Tkinter.ttk.Treeview does not clear after opening and reopening another using same code block

[Alex Waygood]

Change by Alex Waygood <Alex.Waygood at Gmail.com>:


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nosy: +gpolo, serhiy.storchaka
title: treeview -> Tkinter.ttk.Treeview does not clear after opening and reopening another using same code block

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45967>
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