Build failed. https://zuul.opendev.org/t/openstack/buildset/78714ab10df84ea8b15d82cb33d22b92 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/962e0555f6374599ae2fcb712f49ac88 : FAILURE in 4m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b9cf832fd2a54202a3e09d01907d9e04 : FAILURE in 4m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/83280acf891949d59613fceaae8cc772 : FAILURE in 4m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e085601f7a414b4785f59b06578d339d : FAILURE in 5m 34s