[issue5552] With invalid FD, os.device_encoding() returns None under Linux but raises an error under Windows

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

And under Windows:

>>> print(os.device_encoding(1000))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OSError: [Errno 9] Bad file descriptor

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5552>
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