Build failed. https://zuul.opendev.org/t/openstack/buildset/c24d1cd0392b42b8b7d5a6089538b057 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/13683f88585844e0a79561c7baca0c28 : FAILURE in 2m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/36f0d9f4520a43c1af092f64ee5235b5 : SUCCESS in 3m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/45352855e0734f9c857192ded25a18c9 : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/eeb9f02a220047a4be215ed9ebf48b4e : SUCCESS in 2m 55s