Build failed. https://zuul.opendev.org/t/openstack/buildset/881f2051b7154047aafd88326f43e061 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/af171da2978744c29a29ae7ec6fc1413 : SUCCESS in 5m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/40898b83703c4285acb1e025862a4561 : FAILURE in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a9996a9f0b334cddaa8030385d2ecc14 : SUCCESS in 3m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b615cb61160d44a3ae26f8e826d77a7c : SUCCESS in 4m 22s