[issue20037] Calling traceback.format_exception() during Pyhon shutdown does crash Python

[Roundup Robot]

Roundup Robot added the comment:

New changeset 9158f201f6d0 by Antoine Pitrou in branch 'default':
Issue #20037: Avoid crashes when doing text I/O late at interpreter shutdown.
http://hg.python.org/cpython/rev/9158f201f6d0

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nosy: +python-dev

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<http://bugs.python.org/issue20037>
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