Build failed. https://zuul.opendev.org/t/openstack/buildset/90984145736a460283871b857413ba99 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/92cf93d558b54bb89e1a052d7f1d3cd8 : FAILURE in 3m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0c4f4876277b4d37ab2cd3323412fee6 : SUCCESS in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9e157fb662a746f0935744f13c564708 : FAILURE in 3m 36s