Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1b9b9f592f1640ee9fd780287f750d43 : SUCCESS in 6m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4cf60c4632ba4997a548a31ae03ce6a1 : SUCCESS in 10m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dbe7f99266794fb893ff52798cd4ce96 : SUCCESS in 9m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0a84792e949b418798746fcbd9369a11 : FAILURE in 7m 52s