Build failed. https://zuul.opendev.org/t/openstack/buildset/00e02d945026435aa0542bd0de98879f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e9bd18b33ad947a892aef3b724f5140d : FAILURE in 7m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/19d5e4a869e74a9a9efb8e0d71a1b8f0 : SUCCESS in 5m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/12efdcbd0b22495595127bf3bcc2a078 : SUCCESS in 6m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7b85dff42b91427e87345e324fae46c1 : SUCCESS in 6m 38s