Build failed. https://zuul.opendev.org/t/openstack/buildset/e74a2e768e0d43038d580bc952d3880a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6bebe7b5baa34a999a3c27afef302004 : SUCCESS in 3m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/39c1f5132b9049a9a715b79012faeb36 : SUCCESS in 2m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/43f8dc18b2db41d5bdab66eeba91fa78 : SUCCESS in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/54e919db46ac4848a9be0b9cb63d028c : FAILURE in 3m 06s