def fixed_ip_get_by_network_host(context, network_uuid, host):
    return IMPL.fixed_ip_get_by_network_host(context, network_uuid, host)
Test a canceller which calls its deferred.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/db/api.py/fixed_ip_get_by_network_host--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_defer.py/DeferredCancellerTest.test_cancellerThatCallbacks