def psi0(self, Z, variational_posterior):
        return self.psicomp.psicomputations(self, Z, variational_posterior)[0]
Test that delete_server waits for NotFound from novaclient
dataset/ETHPy150Open SheffieldML/GPy/GPy/kern/src/kern.py/Kern.psi0--crossover with--dataset/ETHPy150Open openstack-infra/shade/shade/tests/unit/test_delete_server.py/TestDeleteServer.test_delete_server_wait_for_notfound