Issue #24377: Fix a ref leak in OrderedDict.__repr__.

Misc/NEWS

@@ -25,6 +25,8 @@ Library
 
 - Issue #24362: Simplify the C OrderedDict fast nodes resize logic.
 
+- Issue #24377: Fix a ref leak in OrderedDict.__repr__.
+
 
 What's New in Python 3.5.0 beta 2?
 ==================================

Objects/odictobject.c

@@ -1578,7 +1578,7 @@ odict_repr(PyODictObject *self)
             if (value == NULL) {
                 if (!PyErr_Occurred())
                     PyErr_SetObject(PyExc_KeyError, key);
-                return NULL;
+                goto Done;
             }
             pair = PyTuple_Pack(2, key, value);
             if (pair == NULL)