#!/usr/bin/env python
# -*- coding: utf-8 -*-
-from factories_metadata_v3_9_RC3 import wifi_standards, l4_protocols, \
+from factories_metadata_v3_9 import wifi_standards, l4_protocols, \
service_flow_direction, service_flow_scheduling_type
import validation as ns3_validation
from nepi.core.attributes import Attribute