Build failed. https://zuul.opendev.org/t/openstack/buildset/e5612751614e4abcaa50dead2f192245 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d5fcfda261e1436ea1b1aa225237343a : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/21bbc3c8d6204f63abc111404bb7da5d : FAILURE in 2m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/15add98f6c254cd38752b8e2eeb8c74c : SUCCESS in 2m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f48e3be2ea4445c38c9ebc999b26fe5c : FAILURE in 2m 42s