Build failed. https://zuul.opendev.org/t/openstack/buildset/8912f2dee56a4d0faa67990f7fb1f583 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/96f7168d0d3843ec9dd0f14e2dac6b5f : FAILURE in 3m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/84828308283a473ab66ab9341dccc7a3 : SUCCESS in 3m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/04028562b90644caa7c48c337825467b : FAILURE in 3m 22s