[issue26528] NameError for built in function open when re-raising stored exception from yielded function

[Maciej Urbański]

Maciej Urbański <rooter at kyberian.net> added the comment:

Reproduced in both v3.6.4 and v3.7.0a3

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nosy: +rooter
versions: +Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue26528>
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