[issue31135] [2.7] test_ttk_guionly doesn't destroy all widgets on Python 2.7

[STINNER Victor]

Changes by STINNER Victor <victor.stinner at gmail.com>:


----------
nosy: +serhiy.storchaka

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue31135>
_______________________________________