[New-bugs-announce] [issue36293] Nonblocking read sys.stdin raises error

Cyker Way report at bugs.python.org
Thu Mar 14 11:50:35 EDT 2019


New submission from Cyker Way <cykerway at gmail.com>:

This piece of code will raise an error:

    import os
    import sys

    os.set_blocking(sys.stdin.fileno(), False)
    sys.stdin.read()

Error:

>   TypeError: can't concat NoneType to bytes

Not sure if this is relevant (for a different version of Python): https://bugs.python.org/issue24560

----------
components: Library (Lib), Unicode
messages: 337940
nosy: cykerway, ezio.melotti, vstinner
priority: normal
severity: normal
status: open
title: Nonblocking read sys.stdin raises error
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36293>
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