gh-101765: unicodeobject: use Py_XDECREF correctly (#102283)

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 2f4c3d3793efd6f9e3db43f63803c081810949bf..1ba30421c66dba45652519b67300ad4d1e987574 100644 (file)
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -14795,7 +14795,7 @@ unicodeiter_reduce(unicodeiterobject *it, PyObject *Py_UNUSED(ignored))
     } else {
         PyObject *u = unicode_new_empty();
         if (u == NULL) {
-            Py_DECREF(iter);
+            Py_XDECREF(iter);
             return NULL;
         }
         return Py_BuildValue("N(N)", iter, u);