Build failed. https://zuul.opendev.org/t/openstack/buildset/8f4bc3f00da54d899d14bec3b8c32e62 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/42f9f0e455754764a8b1535f5ed88859 : SUCCESS in 4m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4aed8bcb28c847e0b8dd4020d990f608 : FAILURE in 3m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e37c6d0d1c354fca824a0823dbc92e82 : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/257255b941eb4da3a153599902722cba : SUCCESS in 3m 53s