[issue27805] io.open('/dev/stdout', 'a') raises OSError with errno=ESPIPE

[Benjamin Peterson]

Change by Benjamin Peterson <benjamin at python.org>:


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pull_requests: +16647
pull_request: https://github.com/python/cpython/pull/17137

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue27805>
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