[issue7006] The replacement suggested for callable(x) in py3k is not equivalent

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

hasattr(type(x), "__call__") is technically a more valid replacement due
to the usual matter of metaclass confusion.

(Although putting special methods on instance objects is a recipe for
trouble in more ways than just this one).

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nosy: +ncoghlan

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<http://bugs.python.org/issue7006>
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