def test_synchronousImplicitErrorChain(self):
        first = defer.fail(RuntimeError("First Deferred's Failure"))
        second = defer.Deferred()
        second.addCallback(lambda ign, first=first: first)
        self.assertFailure(second, RuntimeError)
        second.callback(None)
        firstResult = []
        first.addCallback(firstResult.append)
        self.assertIdentical(firstResult[0], None)
        return second
Sets up network on this host.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_defer.py/DeferredTestCase.test_synchronousImplicitErrorChain--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/network/manager.py/FlatDHCPManager._setup_network_on_host