[issue20567] test_idle causes test_ttk_guionly 'can't invoke "event" command: application has been destroyed' messages from Tk

[Roundup Robot]

Roundup Robot added the comment:

New changeset 43c4073cb2e2 by Terry Jan Reedy in branch '2.7':
Issue #20567: Delete class attribute gui widgets in idle tests.
http://hg.python.org/cpython/rev/43c4073cb2e2

New changeset daf44eb9c54e by Terry Jan Reedy in branch '3.3':
Issue #20567: Delete class attribute gui widgets in idle tests.
http://hg.python.org/cpython/rev/daf44eb9c54e

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nosy: +python-dev

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<http://bugs.python.org/issue20567>
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