[issue19077] More robust TemporaryDirectory cleanup

[Roundup Robot]

Roundup Robot added the comment:

New changeset 50aa9e3ab9a4 by Serhiy Storchaka in branch '3.3':
Issue #19077: tempfile.TemporaryDirectory cleanup is now most likely
http://hg.python.org/cpython/rev/50aa9e3ab9a4

New changeset d792eb3afa58 by Serhiy Storchaka in branch 'default':
Issue #19077: tempfile.TemporaryDirectory cleanup no longer fails when
http://hg.python.org/cpython/rev/d792eb3afa58

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nosy: +python-dev

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<http://bugs.python.org/issue19077>
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