Build failed. https://zuul.opendev.org/t/openstack/buildset/f202518db93d4956a5af4916933cb430 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cd6e5568985c481ba643cb5a6494a610 : SUCCESS in 3m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/47893e8e2fa44e578e9d04b38f967581 : FAILURE in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0921984c9fe143259348c0ced9b1495e : SUCCESS in 3m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/82309f8e0b03422bb982c9b684322338 : SUCCESS in 3m 32s