Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e3c3a0f94c0245c79933104722eafb59 : SUCCESS in 4m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c84f816bdddf4496bbaa27dfd764ec8f : FAILURE in 4m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/18f48ad1850a4acebde5cf76b1e54453 : SUCCESS in 10m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c27178be2e89453090eb59c8262eadd4 : FAILURE in 3m 52s