Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a9b6d54f69364c28ad772eb061413336 : SUCCESS in 5m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/00e0cf1a4d6f43f2a751659706391ab7 : FAILURE in 3m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/26852dd07f26478b9c2c8aaf61bdaac5 : SUCCESS in 4m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/65830a6503174a1d8a2ebf5f3b351de5 : SUCCESS in 6m 17s