Patch #1567691: super() and new.instancemethod() now don't accept
keyword arguments any more (previously they accepted them, but didn't
use them).
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 6edd455..4d99f7d 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -5762,6 +5762,8 @@
PyObject *obj = NULL;
PyTypeObject *obj_type = NULL;
+ if (!_PyArg_NoKeywords("super", kwds))
+ return -1;
if (!PyArg_ParseTuple(args, "O!|O:super", &PyType_Type, &type, &obj))
return -1;
if (obj == Py_None)