Build failed. https://zuul.opendev.org/t/openstack/buildset/fd768dd817d441e1b84f1c8ced0a1ef7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f0595f97e62f49b5898196a45e0d1873 : FAILURE in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8d5b69096a344d48be05c4063bfe9701 : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/77da64efab8b4a41aefb90192f4bca1f : SUCCESS in 3m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/97aea333f41241f79e69f2c798c16bf2 : SUCCESS in 3m 11s