def _roundtrip(self, obj):
        pickled = jsonpickle.encode(obj)
        unpickled = jsonpickle.decode(pickled)
        self.assertEquals(obj, unpickled)
Initialize a connection to the back-end OpenStack APIs.
dataset/ETHPy150Open jsonpickle/jsonpickle/tests/datetime_test.py/DateTimeSimpleTestCase._roundtrip--crossover with--dataset/ETHPy150Open AppScale/appscale/InfrastructureManager/agents/openstack_agent.py/OpenStackAgent.open_connection