[issue27157] Unhelpful error message when one calls a subclass of type with a custom metaclass

[Raymond Hettinger]

Raymond Hettinger added the comment:

Guido, this is your code.  Do you care to opine?

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nosy: +gvanrossum, rhettinger

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27157>
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