[issue15721] PEP 3121, 384 Refactoring applied to tkinter module

[Antoine Pitrou]

Antoine Pitrou added the comment:

The first two patches (_tkinter_pep3121-384_v0.patch and _tkinter_pep3121-384_v1.patch) seemed to have the refcounts right, but Andrew's further patches lost the required Py_INCREF in the various new() functions (and the corresponding Py_DECREF in deallocs), which is the cause for the crash in #15667.

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nosy: +pitrou

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<http://bugs.python.org/issue15721>
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