Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/19c09843d0dd40279fde7422a289c21f : FAILURE in 5m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1baadee079ac4eff93ed9b0ca12d8956 : FAILURE in 7m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/77cb382aba3f4f34b9fd89908998a26b : FAILURE in 5m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4d77e5750f8041ef82d2f10ef2d6d18c : FAILURE in 7m 39s