def external_dns_not_needed(self, context, network):
        pass
Creates a new version of the app. Returns an app_id, or None if the app has
dataset/ETHPy150Open openstack/neutron/neutron/plugins/ml2/extensions/dns_integration.py/DNSExtensionDriver.external_dns_not_needed--crossover with--dataset/ETHPy150Open dnanexus/dx-toolkit/src/python/dxpy/app_builder.py/_create_or_update_version