[docs] [issue19154] AttributeError: 'NoneType' in http/client.py when using select when file descriptor is closed.

[Terry J. Reedy]

Changes by Terry J. Reedy <tjreedy at udel.edu>:


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versions:  -Python 2.7, Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19154>
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