Patch #1567691: super() and new.instancemethod() now don't accept

keyword arguments any more (previously they accepted them, but didn't
use them).

Objects/classobject.c

@@ -2256,6 +2256,8 @@ instancemethod_new(PyTypeObject* type, PyObject* args, PyObject *kw)
 	PyObject *self;
 	PyObject *classObj = NULL;
 
+	if (!_PyArg_NoKeywords("instancemethod", kw))
+		return NULL;
 	if (!PyArg_UnpackTuple(args, "instancemethod", 2, 3,
 			      &func, &self, &classObj))
 		return NULL;