Fix PyObject_Repr(): don't call PyUnicode_READY() if res is NULL
diff --git a/Objects/object.c b/Objects/object.c
index eea5531..ad31738 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -378,7 +378,9 @@
return PyUnicode_FromFormat("<%s object at %p>",
v->ob_type->tp_name, v);
res = (*v->ob_type->tp_repr)(v);
- if (res != NULL && !PyUnicode_Check(res)) {
+ if (res == NULL)
+ return NULL;
+ if (!PyUnicode_Check(res)) {
PyErr_Format(PyExc_TypeError,
"__repr__ returned non-string (type %.200s)",
res->ob_type->tp_name);