Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/af5f797ff4b747c08c547921673bf8af : SUCCESS in 12m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c507370cb4d6407eae8180ff63562acb : FAILURE in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/74e8b32b3d084121bda95df539c7c7ba : SUCCESS in 5m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/15633a9e9caf48e4b608a1c73bad937d : SUCCESS in 5m 53s