Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c6ea197a5e984b42931033236b6a2d48 : SUCCESS in 7m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/246eb76eb3754ec18ebc2ec27653ca1d : FAILURE in 4m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9281e3fdb9644588b6eeb5ab0e519ed8 : SUCCESS in 9m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c3ba558862af4ecfa5e801051b41cf55 : SUCCESS in 10m 17s