Build failed. https://zuul.opendev.org/t/openstack/buildset/7ac545c816324079acd847f8d7371a99 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f8114a95af274b7984671d2ab6fe8e30 : SUCCESS in 2m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cc17e091e3044196885584b59c41a6f6 : FAILURE in 2m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a58c82523d184d928a3633a1c634356d : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9b16180b43384d6696bf66460db9011e : SUCCESS in 4m 54s