Build failed. https://zuul.opendev.org/t/openstack/buildset/b2e36c9d416d4fcfa3d7a6e447cffa3d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7aa88a62ba724638b358bc86a37c7713 : SUCCESS in 7m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4e08e6fbbb4243ec94d80536f554cdbc : FAILURE in 7m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d3d49d20a9fc4e719cc029fe19f5bd31 : SUCCESS in 4m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/01e155f4de884d51ab68e38b0abba5cc : SUCCESS in 4m 33s