s.Spec.ExternalTrafficPolicy = core.ServiceExternalTrafficPolicyCluster
			s.Spec.ExternalIPs = []string{"0.0.0.0"}
		},
		numErrs: 1,
	}, {
		name: "invalid publicIPs loopback",
		tweakSvc: func(s *core.Service) {
			s.Spec.ExternalTrafficPolicy = core.ServiceExternalTrafficPolicyCluster
			s.Spec.ExternalIPs = []string{"127.0.0.1"}
		},
		numErrs: 1,
	}, {

  let summary = "Update '*var' according to the AddSign update.";

  let description = [{
m_t <- beta1 * m_{t-1} + (1 - beta1) * g
update <- exp(logbase * sign_decay * sign(g) * sign(m_t)) * g
variable <- variable - lr_t * update
  }];

  let arguments = (ins
    Arg<TF_ResourceTensor, [{Should be from a Variable().}], [TF_VariableRead, TF_VariableWrite]>:$var,