Build failed. https://zuul.opendev.org/t/openstack/buildset/547676d6dbcb4064a22480bee93278a7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b15f32bc3e4146f78975898193b09b86 : SUCCESS in 2m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d3992453e4c248bd9aa1ca94e7c29b02 : RETRY_LIMIT in 2m 17s