Build failed. https://zuul.opendev.org/t/openstack/buildset/b45a409f13374f42b670319609150688 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4a33e30497ab4b37915dd356fa9d0a45 : SUCCESS in 9m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fb3c8a5b98644789825ffdd6aca2077e : RETRY_LIMIT in 1s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5458556324984966807f4221b0d8f165 : SUCCESS in 7m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c953dc6f20714878a4dc4990d5f4b986 : RETRY_LIMIT in 2s