[issue21953] pythonrun.c does not check std streams the same as fileio.c

[STINNER Victor]

STINNER Victor added the comment:

See also issues:

- issue #17797: Visual C++ 11.0 reports fileno(stdin) == 0 for non-console program
- issue #18804: I proposed a similar change for other reasons.

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nosy: +haypo

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21953>
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