Build failed. https://zuul.opendev.org/t/openstack/buildset/01557f88a22843f4bd17135cf3c601b6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4f95b152ceab4da0b8b7803c6b949dcb : FAILURE in 6m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fe2f4cb9d6434576aacf972a8bda7d05 : SUCCESS in 4m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6e4d730a5ccd4c78b4f710961f1bc118 : SUCCESS in 5m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/abb637d680d145dc80aa049399900225 : SUCCESS in 5m 44s