def is_directed(self):
        return True
Call all extension drivers during PA update.
dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/classes/multidigraph.py/MultiDiGraph.is_directed--crossover with--dataset/ETHPy150Open openstack/group-based-policy/gbpservice/neutron/services/grouppolicy/extension_manager.py/ExtensionManager.process_update_policy_action