def create_agent(self, context, agent):
        raise exceptions.BadRequest()
remove an attribut from a node
dataset/ETHPy150Open openstack/neutron/neutron/extensions/agent.py/AgentPluginBase.create_agent--crossover with--dataset/ETHPy150Open kakwa/pygraph_redis/pygraph_redis/directed_graph.py/Directed_graph._remove_attribut