[issue16572] Bad multi-inheritance support in some libs like threading or multiprocessing

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

The _Verbose class and verbose arguments for threading classes and functions were removed in issue13550. Thus this is 2.7-only issue now.

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nosy: +haypo
versions:  -Python 3.3, Python 3.4

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<http://bugs.python.org/issue16572>
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