[issue31130] test_idle: idlelib.configdialog leaks references

[Terry J. Reedy]

Terry J. Reedy added the comment:


New changeset 733d0f63c562090a2b840859b96028d6ec0a4803 by Terry Jan Reedy in branch 'master':
bpo-31130: IDLE -- stop leaks in test_configdialog. (#3016)
https://github.com/python/cpython/commit/733d0f63c562090a2b840859b96028d6ec0a4803


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<http://bugs.python.org/issue31130>
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