Build failed. https://zuul.opendev.org/t/openstack/buildset/eea2b63359be4d3b82169a85990c8270 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/488b48f97fc542968f6dd1c668508c84 : SUCCESS in 3m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/23133cda87794f71a0a1cfd503e4e37f : FAILURE in 4m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c8015aef82474df2bd152b477cdb347f : SUCCESS in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4add4ba7ff814c0b9c0222aeb0283578 : FAILURE in 3m 04s