Build failed. https://zuul.opendev.org/t/openstack/buildset/2460c3bb45b24a7d8c11e6a5e96307fe - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ba79b2805e674423b73edaffcd3fce22 : SUCCESS in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/70feb8eb37134339a53a37fd97a32dce : FAILURE in 2m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d6c7adc058be410a93b1b979f817fb1d : SUCCESS in 3m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/975b0debd56c45ff89961c6bf182e013 : SUCCESS in 3m 49s