[issue26868] Document PyModule_AddObject's behavior on error

[Brandt Bucher]

Brandt Bucher <brandtbucher at gmail.com> added the comment:

It looks like the idiom of calling PyModule_AddObject without Py_DECREF'ing on the error condition (or even checking for it at all) has spread quite a bit since this first reported. I'm preparing a PR to fix the other call sites.

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nosy: +brandtbucher

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue26868>
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