214 static PyObject *
215 urj_pyc_partid (urj_pychain_t *self, PyObject *args)
216 {
217     urj_chain_t *urc = self->urchain;
218     int partno;
219     if (!PyArg_ParseTuple (args, "i", &partno))
when PyArg_ParseTuple() succeeds
taking False path
220         return NULL;
221 
222     if (!urj_pyc_precheck (urc, UPRC_CBL|UPRC_DET))
when considering value == (int)0 from chain.c:222
taking True path
223         return NULL;
224 
225     if (partno >= urc->parts->len)
226     {
227         PyErr_SetString (PyExc_RuntimeError, _("part number out of range"));
228         return NULL;
229     }
230     else
231     {
232         urj_part_t *p;
233         uint32_t id;
234 
235         p = urc->parts->parts[partno];
236         id = urj_tap_register_get_value (p->id);
237         return Py_BuildValue ("i", id);
238     }
239 }
returning (PyObject*)NULL without setting an exception