Build failed. https://zuul.opendev.org/t/openstack/buildset/a9e9b7f650174d9ebfab7a002605f7c2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1590de524ee74e3d80685a3eddcf93cb : SUCCESS in 3m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c21412375caa457eb2ee3b603d0ef78a : FAILURE in 3m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ac2e87b83ea545ac9dcdaab819d6fbe6 : SUCCESS in 2m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f2b4af55254a4638994f039afd71ed39 : SUCCESS in 3m 28s