Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a9f970fcfb3c4e1fb085c167453eed91 : SUCCESS in 5m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8228eeccb67c40b4a5cf6ce512da1d5b : FAILURE in 4m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/13b22606b23c42c59a25bebdbf3abadf : SUCCESS in 5m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3143f86be75644aaa4c322d3f201c91d : SUCCESS in 8m 28s