Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7b2a698ec2fc48deadbdae40dd16d6c0 : SUCCESS in 3m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4d0c8bf0d506456e8d55d9325f8fd7e1 : FAILURE in 3m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8aab1b8e21194bcd8d1a5c3bb13e4a21 : FAILURE in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/841f9f20e80c4fc996cbff505651462a : FAILURE in 3m 59s