Build failed. https://zuul.opendev.org/t/openstack/buildset/80daf283081d4683ba2f9ecd9712babf - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/98ae26abfac04ed6ab66eeac281faa1f : FAILURE in 4m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9a07832a448142ada2c4a29e3710ace6 : SUCCESS in 3m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1d2ab21ccd094498aeafb6db2801bbff : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dbef397c05694fb39fe8ac39195e73f5 : SUCCESS in 3m 22s