Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/846702d549b347fe8649db605066650c : RETRY_LIMIT in 3m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7e1147a174c943cbad221c9bb5729194 : FAILURE in 6m 34s