Build failed. https://zuul.opendev.org/t/openstack/buildset/1386cb0a42244e1f9df5169916272012 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e40aa2edab56442f99c1893db20c7072 : SUCCESS in 9m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6a060df9a65647a492261346bac68449 : SUCCESS in 7m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4405e609c061443aad4191236e9cb9cb : FAILURE in 6m 01s