Build failed. https://zuul.opendev.org/t/openstack/buildset/319647714bf2426bb3a5f8a036ee77ae - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5f14d2787249454e8cba805fa251a4fe : SUCCESS in 4m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6b96a54a203849b9a32d3f756c3c6cc5 : SUCCESS in 4m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5944f96e98c44f46aa0dc0bf37638dad : SUCCESS in 4m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f7950663ca5c4bbeb6885ea1b000ccb5 : FAILURE in 4m 10s