Build failed. https://zuul.opendev.org/t/openstack/buildset/82d688a6b8444192b3caae52a4946874 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8805cbec8e20484898d40f81d3389111 : FAILURE in 3m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1c6bc46c32264cefb1a55e101037a24c : FAILURE in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4254164e1f6946ea98aa5af81c2bbf66 : FAILURE in 4m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b940a9f1d34d4b0d9df9b7bd86059ded : FAILURE in 4m 59s