Build failed. https://zuul.opendev.org/t/openstack/buildset/6503e914844f44f3a8d7e6e599519b8f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9e15773b93b24f33ab61cd07a8a3404b : SUCCESS in 2m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5c330d62dcea43cea95aa33a6ce8801d : FAILURE in 3m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d4193ba65f484b21ad32e3eaefe868c3 : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bc45106963af4b5d932991021924515e : FAILURE in 3m 16s