Build failed. https://zuul.opendev.org/t/openstack/buildset/d759e2522424407e913d5250f812a5bd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/11b5974280a04cd0b1ab2a1cd97258f0 : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/85ab2d5e45b244cc96aaf02c927a9d82 : FAILURE in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/76b6f577ce9a44afad0c2491b0d2137c : SUCCESS in 3m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a79f74ec202441a49d1828533200d6ba : SUCCESS in 3m 58s