def set_metadata(self, key, value):
        return self.client.set_metadata(key, value).one()
Wrap all handlers calls so transaction is handled accordingly
dataset/ETHPy150Open espeed/bulbs/bulbs/neo4jserver/graph.py/Graph.set_metadata--crossover with--dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/api/v1/handlers/base.py/load_db_driver