plug ref leak
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index dbf6411..c4e6aa5 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -1153,14 +1153,17 @@
if (v == NULL) {
if (!PyDict_CheckExact(mp)) {
/* Look up __missing__ method if we're a subclass. */
- PyObject *missing;
+ PyObject *missing, *res;
static PyObject *missing_str = NULL;
missing = _PyObject_LookupSpecial((PyObject *)mp,
"__missing__",
&missing_str);
- if (missing != NULL)
- return PyObject_CallFunctionObjArgs(missing,
- key, NULL);
+ if (missing != NULL) {
+ res = PyObject_CallFunctionObjArgs(missing,
+ key, NULL);
+ Py_DECREF(missing);
+ return res;
+ }
else if (PyErr_Occurred())
return NULL;
}