Build failed. https://zuul.opendev.org/t/openstack/buildset/5fc65ba74ccd4915b5cc572dc38c17ce - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b6136d1c9222447695d0118da2544496 : SUCCESS in 6m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e324586834ed4f4b9320c10aa54841cd : SUCCESS in 4m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5eccaf60f5994a0f8af69dee8a14beef : SUCCESS in 4m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3056d00f548942cb96309f9d6cf407ea : FAILURE in 6m 05s