getset_init(): the function name in the PyArg_ParseTuple() format
should just be "getset", not "getset.__init__".
diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 44b20e2..4971b4c 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -929,7 +929,7 @@
PyObject *get = NULL, *set = NULL, *del = NULL;
getsetobject *gs = (getsetobject *)self;
- if (!PyArg_ParseTuple(args, "|OOO:getset.__init__", &get, &set, &del))
+ if (!PyArg_ParseTuple(args, "|OOO:getset", &get, &set, &del))
return -1;
if (get == Py_None)
get = NULL;