Build failed. https://zuul.opendev.org/t/openstack/buildset/b547bc4838b6499991964029ae373395 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7669ac5d390d4834931aa7ea1b6cf7bf : SUCCESS in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/db27e9705dee434ab499b2d971395ed1 : FAILURE in 2m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8ffae1bd542040148321964a0e1ef688 : SUCCESS in 2m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c354ceef94464c8292ab71b4a43ef66b : FAILURE in 2m 58s