Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/42c1be2603ce447ea6d8e8681b31b7e7 : SUCCESS in 4m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/00b84f82b0ee4ddb81f216f1007578d2 : FAILURE in 3m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/47605348865f4b0bb835bf4feffac90c : SUCCESS in 3m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a4816df646e14092acd6b00e2ace7da5 : SUCCESS in 4m 40s