use Py_CLEAR

diff --git a/Objects/funcobject.c b/Objects/funcobject.c
index ad0f427f59462efa781b19b7ab384479e0289e99..51b6c9d4bd11e36a73e99694bd77436393634f08 100644 (file)
--- a/Objects/funcobject.c
+++ b/Objects/funcobject.c
@@ -784,9 +784,7 @@ sm_traverse(staticmethod *sm, visitproc visit, void *arg)
 static int
 sm_clear(staticmethod *sm)
 {
-    Py_XDECREF(sm->sm_callable);
-    sm->sm_callable = NULL;
-
+    Py_CLEAR(sm->sm_callable);
     return 0;
 }