Build failed. https://zuul.opendev.org/t/openstack/buildset/e053b4ae5752488698da979f5c557b5b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4c5f9e8e80454a6f90397c0d0a4049ac : SUCCESS in 3m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/35411329162541a9967333097bc7661a : FAILURE in 3m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0475618d05184365a3feb49c78de106c : SUCCESS in 2m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ae57caf2957449f0a4a389fa6e05a9c2 : SUCCESS in 4m 07s