Build failed. https://zuul.opendev.org/t/openstack/buildset/c85c84ec388c4d3783aa776bb4a613b0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6148d41ed2ed47e49c319f5d9526a762 : FAILURE in 7m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/85c27ed3017c45949085710a7e4e9613 : SUCCESS in 6m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eda095a519644b2fa9c9b6919917c6ea : SUCCESS in 6m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/096ad37fa8ca4c3ca3bc5cb550555366 : SUCCESS in 7m 09s