Build failed. https://zuul.opendev.org/t/openstack/buildset/9a7d8a9ade3b48f7a8ea28d9535d4ee5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b60633a151b04f6f991e3e5ca7e88c66 : FAILURE in 2m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f17bbcb4f97a4e8ab41a2c4da888c30e : SUCCESS in 3m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/feb45d7f6a674f889b962b0717b07ca4 : SUCCESS in 2m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b5c71637ab44460aa2f816142eefcac5 : SUCCESS in 3m 24s