2288 static PyObject *
2289 pa_get_stream_write_available(PyObject *self, PyObject *args)
2290 {
2291   signed long frames;
2292   PyObject *stream_arg;
2293   _pyAudio_Stream *streamObject;
2294 
2295   if (!PyArg_ParseTuple(args, "O!", &_pyAudio_StreamType, &stream_arg))
when PyArg_ParseTuple() succeeds
taking False path
2296     return NULL;
2297 
2298   streamObject = (_pyAudio_Stream *) stream_arg;
2299 
2300   if (!_is_open(streamObject)) {
when considering value == (int)0 from _portaudiomodule.c:2300
taking True path
2301     PyErr_SetObject(PyExc_IOError,
when Py_BuildValue() succeeds
calling PyErr_SetObject()
new ref from call to Py_BuildValue allocated at:     PyErr_SetObject(PyExc_IOError,
ob_refcnt is now refs: 1 + N where N >= 0
ob_refcnt is now refs: 1 + N where N >= 1
2302 		    Py_BuildValue("(s,i)",
2303 				  "Stream closed",
2304 				  paBadStreamPtr));
2305     return NULL;
2306   }
2307 
2308   PaStream *stream = streamObject->stream;
2309   frames = Pa_GetStreamWriteAvailable(stream);
2310   return PyInt_FromLong(frames);
2311 }
ob_refcnt of new ref from call to Py_BuildValue is 1 too high
was expecting final ob_refcnt to be N + 0 (for some unknown N)
but final ob_refcnt is N + 1