[issue29692] contextlib.contextmanager may incorrectly unchain RuntimeError

[Mariatta Wijaya]

Mariatta Wijaya added the comment:

PR has been backported into 3.5 and 3.6. Thanks all :)

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stage: backport needed -> resolved
status: open -> closed
versions: +Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29692>
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