Build failed. https://zuul.opendev.org/t/openstack/buildset/fb50a2ba0871412482e0591473e2c355 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c70a7f01ad3046f3922e56d11deee9d8 : FAILURE in 8m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f84753ec836e4368afd356309d24b175 : SUCCESS in 6m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d161f44a43794203ab7f57e2931bb0aa : SUCCESS in 6m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8c1591fa5a004421abf01c737a4d1e8c : SUCCESS in 6m 03s