py/objtuple: Set .parent to mp_type_object.
This will allow ().__init__ to work.
@@ -241,6 +241,7 @@ const mp_obj_type_t mp_type_tuple = {
.binary_op = mp_obj_tuple_binary_op,
.subscr = mp_obj_tuple_subscr,
.getiter = mp_obj_tuple_getiter,
+ .parent = &mp_type_object,
.locals_dict = (mp_obj_dict_t *)&tuple_locals_dict,
};
