Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ad2d42d5663043aba1e2238d0a45e452 : FAILURE in 6m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8198ade054e54a9fa550475980379680 : SUCCESS in 9m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/65e59033475a4f38ad2f275cc24d9a1d : SUCCESS in 9m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cbabbf3efcb1451f8496d0c450cfc2f7 : SUCCESS in 9m 32s