Build failed. https://zuul.opendev.org/t/openstack/buildset/b52f815f870d4a05b34c7a76cc6c4c1b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a32b1673e22a4e379554ccac8096aa1d : FAILURE in 7m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/75a8a182323546a6a157741143138c4d : SUCCESS in 6m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ea7c991707d2492b9b079d84acb211db : SUCCESS in 6m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c999d8d364334dc38fd09d8722a3d3e0 : SUCCESS in 7m 48s