Build failed. https://zuul.opendev.org/t/openstack/buildset/0033a2e17de247eba0b989addb14c582 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3c55fc03799f46278f0e95070936cd9d : FAILURE in 4m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8ea57de6cc4f476cabb545fbc9bc0695 : SUCCESS in 3m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3403da0146044641bc44b1156b0549ce : SUCCESS in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ca3743ddbc04435f9e13d954f058777b : SUCCESS in 4m 06s