[issue11700] mailbox.py proxy updates

[Steffen Daode Nurpmeso]

Steffen Daode Nurpmeso <sdaoden at googlemail.com> added the comment:

Amaury Forgeot d'Arc wrote:
> mbf.close() should not fail when called twice. The close() method in the > io module states that "This method has no effect if the file is already > closed."
> But then, is "close=False" necessary?

I see you've detached.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11700>
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