Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6ac3fd91a37c4bdabe7f7a82bcbd1890 : SUCCESS in 6m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4040588d76cd4c3cb38f7ce92cf6a6c1 : FAILURE in 4m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cf1982cb8d984452983fd8cb91ed4c4f : SUCCESS in 9m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/96c22853d9f1401182bf8ed244fc0c36 : SUCCESS in 8m 45s