65 static PyObject *
66 Set_update(Bucket *self, PyObject *args)
67 {
68     PyObject *seq = NULL;
69     int n = 0;
70 
71     if (!PyArg_ParseTuple(args, "|O:update", &seq))
when PyArg_ParseTuple() succeeds
taking False path
72 	return NULL;
73 
74     if (seq) {
taking True path
75 	n = _Set_update(self, seq);
76 	if (n < 0)
when considering range: -0x80000000 <= value <= -1
taking True path
77 	    return NULL;
78     }
79 
80     return PyInt_FromLong(n);
81 }
returning (PyObject*)NULL without setting an exception