Build failed. https://zuul.opendev.org/t/openstack/buildset/0e09ce86d2e84ba1a6c3118a59e8e871 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bb729c5d92314627960fcbb5006e3794 : FAILURE in 3m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ad976b66a05d4c9f987ed14f24cb3f73 : SUCCESS in 4m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8009706ce9e34444a784474fa3a5f2c1 : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8306e3c1e0514e4baec61660428ae0d2 : SUCCESS in 4m 05s