1 files changed, 4 insertions, 1 deletions
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 17fef42..da1d703 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -194,8 +194,11 @@ compute_range_length(PyObject *start, PyObject *stop, PyObject *step)
     }
 
     /* if (lo >= hi), return length of 0. */
-    if (PyObject_RichCompareBool(lo, hi, Py_GE) == 1) {
+    cmp_result = PyObject_RichCompareBool(lo, hi, Py_GE);
+    if (cmp_result != 0) {
         Py_XDECREF(step);
+        if (cmp_result < 0)
+            return NULL;
         return PyLong_FromLong(0);
     }