Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d1a2ea3a4fbe41a7a3aa2bdc9e0b3fcf : SUCCESS in 5m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c1f6f6222d7e419b88e45e1225f22acb : FAILURE in 4m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ab82ce3ab6aa4e6c926f3f8ecf4f7948 : SUCCESS in 5m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dc916276a0ba4f8bb87f84bab4e414b0 : SUCCESS in 6m 30s