[issue12248] __dir__ semantics changed in Python 2.7.2

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:

> I don't believe there is any reason to have tightened up
> the type constraints while fixing that - dir() should be
> returning sorted(obj.__dir__()) and not caring about the 
> exact return type of the magic method.

+1

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nosy: +rhettinger

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<http://bugs.python.org/issue12248>
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