Build failed. https://zuul.opendev.org/t/openstack/buildset/a009fef27ed640368134c8d30f141fcd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1e76912b221a4cfcb4f4ad241fcd8182 : FAILURE in 5m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/19824f6452704b8182805525b18fdb46 : SUCCESS in 8m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f2709033462e488fb94779902f103f9e : SUCCESS in 6m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d7b949e689cc40638b7c2845916a72e8 : SUCCESS in 7m 44s