Small code cleanup.
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index fe06ef4..4d0ad08 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -2362,10 +2362,8 @@
 static int
 permutations_traverse(permutationsobject *po, visitproc visit, void *arg)
 {
-	if (po->pool != NULL)
-		Py_VISIT(po->pool);
-	if (po->result != NULL)
-		Py_VISIT(po->result);
+	Py_VISIT(po->pool);
+	Py_VISIT(po->result);
 	return 0;
 }