Build failed. https://zuul.opendev.org/t/openstack/buildset/fd61d5688acd47fcaec559d6d222cea3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0141c498954a416ba0f4e3ece7582b2b : FAILURE in 4m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1ec8a36168f44a1e91964571af5d55c2 : SUCCESS in 5m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/05633fe6245b4b5396c1981cfa6288bb : SUCCESS in 3m 54s