(original) (raw)

diff --git a/Objects/setobject.c b/Objects/setobject.c index 80101dd..82b5838 100644 --- a/Objects/setobject.c +++ b/Objects/setobject.c @@ -1744,8 +1744,10 @@ set_symmetric_difference(PySetObject *so, PyObject *other) if (otherset == NULL) return NULL; rv = set_symmetric_difference_update(otherset, (PyObject *)so); - if (rv == NULL) + if (rv == NULL) { + Py_DECREF(otherset); return NULL; + } Py_DECREF(rv); return (PyObject *)otherset; }