def network_exists(self, tenant_id, net_id):
        try:
            self.client.show_network_details(net_id, tenant=tenant_id)
            return True
        except client.QuantumNotFoundException:
            # Not really an error.  Real errors will be propogated to caller
            return False
Verify that we generate the correct URL for a zipball archive.
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/network/quantum/quantum_connection.py/QuantumClientConnection.network_exists--crossover with--dataset/ETHPy150Open sigmavirus24/github3.py/tests/unit/test_repos_release.py/TestRelease.test_zipball_archive