Build failed. https://zuul.opendev.org/t/openstack/buildset/ea521a76ee654552938a84ead2422ed9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4e7ba85065fb4cc098dd6beecd8a03dd : FAILURE in 7m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/95563d1dd9864362af919e348ffee808 : SUCCESS in 7m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/04a660b9431c4f1fad3d5fa7d1a90bcc : SUCCESS in 7m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e7166600d5f542b99445749fe6a7dc68 : SUCCESS in 6m 28s