Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3b8824cf7f734058bf7345d834f3cb1a : SUCCESS in 4m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/236bcae600f241d18494d4a819f8e698 : FAILURE in 4m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4ca5abef0aa64fd5bf44b619b94a701f : SUCCESS in 5m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cedda26d71684600a653b736f0319e96 : SUCCESS in 6m 16s