[issue11965] Simplify context manager in os.popen

[Antoine Pitrou]

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

Have you seen the comment on top of it? It says "Helper for popen() -- a proxy for a file whose close waits for the process".

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nosy: +pitrou

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11965>
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