Build failed. https://zuul.opendev.org/t/openstack/buildset/b3593c4d2d5d463a97e4ed27ca80343a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bacc30b88f03407f985e68fcf84ef6db : FAILURE in 8m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8d4ad894492b460f99f205be83240e21 : SUCCESS in 5m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cc6f916fc9534a619d2393aee2653b9f : SUCCESS in 6m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/40050b9cdd1442bbaf4502dd22a0a19d : SUCCESS in 8m 04s