[issue12167] test_packaging reference leak

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> To fix it, I don’t find the monkey-patching approach very good, I’d
> prefer properly using the logging API to remove handlers upon cleanup.

I don't think such stuff exists.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12167>
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