Build failed. https://zuul.opendev.org/t/openstack/buildset/d371ca24ee664f9bb682fe0d6361ae8a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0dcaf7cedc9b4f6c8ebaabdd509164a9 : SUCCESS in 3m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4edd088cf387439d8515760083a35648 : FAILURE in 7m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/145d6b7647f6481e825d2b089ace5c30 : SUCCESS in 3m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e496f90f52924492bb2f72008acaf28e : SUCCESS in 4m 53s