Build failed. https://zuul.opendev.org/t/openstack/buildset/7ab9b02e64dd45c0bfec3a1b48f52d67 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0188aeba48274f039efa946b0d8337c7 : SUCCESS in 7m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2fc7de826feb441fad3920895ded8df5 : SUCCESS in 6m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a6c69038416f4182988010109903a5c6 : FAILURE in 4m 46s