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Newsgroups: comp.lang.python
Date: Sun, 7 Jun 2015 02:15:09 -0700 (PDT)
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Subject: Re: Embedded Python and C Callback functions
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Xref: csiph.com comp.lang.python:92216

I'm trying to debug and find my error. It goes wrong when:
 PyObject *v;
            v = va_arg(*p_va, PyObject *);
            if (v != NULL) {
                if (*(*p_format - 1) != 'N')
                    Py_INCREF(v);
            }

it tries to PyINCREF to my passed callback.