Build failed. https://zuul.opendev.org/t/openstack/buildset/c821f3dadbca422299bce9593464c573 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/239074f254fc429baf8422f42093dd16 : FAILURE in 4m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3cd6ec529acd45be8a122c50a26b86e9 : SUCCESS in 5m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a3f7e957584649228b971ed7069db9cc : SUCCESS in 5m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f94fc5a0d52a4d939ee73033b8b3db2d : SUCCESS in 6m 00s