Build failed. https://zuul.opendev.org/t/openstack/buildset/686ae1d750b54b15b967f32a6ca83220 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/19a33dee0a8543ebb0a7538b88b658d5 : FAILURE in 2m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8dd0b35c2fad4156a7358a1f65903b73 : SUCCESS in 3m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/45c1be8430cb4829b2e73d09ad3798a6 : SUCCESS in 3m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/19722b4d59f947868dbdfd2bbaf96ffa : SUCCESS in 3m 31s