Build failed. https://zuul.opendev.org/t/openstack/buildset/2fb6efb34f4c4c1ab8bc2cc1cb15d1b0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/44f180925af444b69867214dac2a0a8e : FAILURE in 3m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/aa5a9b26193f48758016b1ee6811788e : SUCCESS in 3m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d1c62bea73bc4b91bb20c0330fc2eb7b : SUCCESS in 3m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/83860941a595474494e7ded40ba6f33f : SUCCESS in 3m 50s