From f97dfd7b59c6472dc209f85c8f0a479dd6649859 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 18 Jul 2013 01:00:45 +0200
Subject: Issue #18408: Fix dict_repr(), don't call PyObject_Repr() with an
 exception set

PyObject_Repr() can removes the current exception. For example, module_repr()
calls PyErr_Clear() if calling loader.module_repr(mod) failed.
---
 Objects/dictobject.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 3243061..36c710e 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -1443,6 +1443,9 @@ dict_repr(PyDictObject *mp)
         Py_INCREF(value);
         s = PyObject_Repr(key);
         PyUnicode_Append(&s, colon);
+        if (s == NULL)
+            goto Done;
+
         PyUnicode_AppendAndDel(&s, PyObject_Repr(value));
         Py_DECREF(key);
         Py_DECREF(value);
-- 
cgit v0.12