Build failed. https://zuul.opendev.org/t/openstack/buildset/98ff1bccfd874cbe9e6424e29a753680 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/db5f639de7954968806393301f0dbf9f : RETRY_LIMIT in 6s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e0062125d10244c29bac8aaabcd6358b : SUCCESS in 5m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1ff6377be4d14bc6918caac6197646a7 : RETRY_LIMIT in 7s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0edbccffa66e4ac28870c90ddafcb82a : SUCCESS in 7m 27s