[issue22764] object lifetime fragility in unittest tests

[Antoine Pitrou]

Antoine Pitrou added the comment:

> Here's my understanding: the test is testing that a an object ref only held in the traceback object of the exception is cleaned up such that it can be collected

The best way to check would be to revert the case.py changes in 6ab3193e890e. My intuition is that the test would then fail, but succeed with your changes.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22764>
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