Build failed. https://zuul.opendev.org/t/openstack/buildset/7c611e1eeab542309d7f05e6082061a8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f1a42431e0b7499a8ea92ffe784c15da : FAILURE in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/47203d0f8cbb465e972f6efa79d1a0a8 : SUCCESS in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/db95ecc4fefc4789a3ce4b6d258f7533 : SUCCESS in 3m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bcd2d2a34ef4499c9b733aea807aaa07 : SUCCESS in 4m 41s