Build failed. https://zuul.opendev.org/t/openstack/buildset/00f1fd10c7e64935a58ed1dd8f0979bc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9e8897eb96dc4a2e92b68f0a05f660fa : FAILURE in 4m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/32569abf87f146e6ab9dddd4249b7296 : SUCCESS in 3m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/999aa40ecd634e7a9d0f2df31ea752a3 : SUCCESS in 4m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c538d6aaa0b74f738be82df50ebd8b58 : SUCCESS in 3m 37s