Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/61a4322cdd1340bda7d12c857557e653 : SUCCESS in 6m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0e904d782bbe4617b2bed21f5f321533 : FAILURE in 6m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3ec048fe1cc74ce89ea5baf4bb67ea43 : SUCCESS in 6m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/16042ef116c944ceac0fa29a161844f0 : SUCCESS in 7m 32s