Build failed. https://zuul.opendev.org/t/openstack/buildset/b5de51f5f241448f82ae89dfb2752fba - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cc8df48345f340368f7f8b13d59f0f1d : SUCCESS in 12m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/880ec223dff84667b3172d2286a3923b : SUCCESS in 14m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/beff906720164d259f076da569a9fad3 : SUCCESS in 12m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2dbed6eccc5444b48f363ac078801826 : FAILURE in 16m 46s