File: bitarray/_bitarray.c
Function: bitarray_iadd
Error: returning (PyObject*)NULL without setting an exception
1684 static PyObject *
1685 bitarray_iadd(bitarrayobject *self, PyObject *other)
1686 {
1687     if (extend_dispatch(self, other) < 0)
when considering range: -0x80000000 <= value <= -1
taking True path
1688         return NULL;
1689 
1690     Py_INCREF(self);
1691     return (PyObject *) self;
1692 }
returning (PyObject*)NULL without setting an exception