Build failed. https://zuul.opendev.org/t/openstack/buildset/82f22cfa3f7e4ebe9599f8da56a34a32 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e15ca6455c244eb897ee628fad4bbc30 : SUCCESS in 3m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d8b8aef51b634b5c8e6077bcc9e4c299 : FAILURE in 3m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c36bbaa485f34345af5f906c16a4d14b : SUCCESS in 3m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/66abc4531cf94886b16668e442cf90b6 : FAILURE in 4m 33s