Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fb2f50db500945d286db3b5e245d1003 : SUCCESS in 5m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a3e6a6dec0fd40aab2f612e16589edd5 : FAILURE in 5m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5f4579a540dc4c4f96033c28e09592bf : SUCCESS in 6m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4308b68e89bb41258782b92310919688 : SUCCESS in 8m 01s