Build failed. https://zuul.opendev.org/t/openstack/buildset/67efbbe564ae4d33b78078850bb727c9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3ccc85153a8d49bda8ddace2c845366c : FAILURE in 4m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/40d022a2fc4d4088a3cc477186642154 : SUCCESS in 4m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/93ad093394bb4e75b4863e1a19f8c21e : SUCCESS in 3m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9ddda831a5ca4fd2a98a46d3c5d094f6 : SUCCESS in 4m 09s