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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Fri, 10 Jun 2011 17:11:36 -0600
Subject: Re: ContextDecorator via contextmanager: broken?
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On Fri, Jun 10, 2011 at 4:57 PM, Ian Kelly <ian.g.kelly@gmail.com> wrote:
> So as far as I can tell, generator-based context managers simply can't
> be used as ContextDecorators. =A0Furthermore, the documentation's claim
> that they can is actually harmful, since they *appear* to work at
> first. =A0Or am I simply missing something here?

Please ignore my previous post. Looks like this has already been fixed
for Python 3.2.1 and 3.3.

http://bugs.python.org/issue11647