[issue29692] contextlib.contextmanager may incorrectly unchain RuntimeError

[Raymond Hettinger]

Raymond Hettinger added the comment:

PEP 8's rule makes sense elsewhere, but for context managers I think an implicit return None is the norm and that making it explicit wouldn't improve readability.

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nosy: +rhettinger

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