[issue12607] subprocess(stdout=..., stderr=sys.stdout) breaks stderr for child

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

> stdout = open("/dev/null", "w"), stderr = sys.stdout

You ask to write all outputs to /dev/null. Why do you expect anything on stdout?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12607>
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