[issue15725] PyType_FromSpecWithBases bugfix

[Alexander Belopolsky]

Alexander Belopolsky added the comment:

Why is this a problem? ISTM all that is happening is that null tp_base is set to null if Py_tp_base slot is specified as null.  If this is somehow a problem - the user should not specify Py_tp_base slot.

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nosy: +belopolsky

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15725>
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