Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ac3c407e13be4aa4b5ccf1537c14860f : SUCCESS in 7m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3c1109da5b274668becc01f6e3372645 : FAILURE in 6m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f17064ea384e4b67a8bfeded92b9d9b5 : SUCCESS in 7m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/db006ce2ac9849269b6587f93335beab : SUCCESS in 8m 34s