[issue40722] test_ttk_guionly times out on Ubuntu CI

[Zackery Spytz]

Zackery Spytz <zspytz at gmail.com> added the comment:

See also bpo-30756.

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nosy: +ZackerySpytz

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40722>
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