Build failed. https://zuul.opendev.org/t/openstack/buildset/f51166eb16284213b5590cb1505b01b3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fc408d88af684d1d9a481f0b1638e64f : FAILURE in 3m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/41dba38d5c894dc2a1c67d329d6c365d : SUCCESS in 4m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/425fee4ce2234e87a1104f8b16c1ab16 : SUCCESS in 4m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/12fa30cef06e4f8a84087d04716fe4c6 : SUCCESS in 4m 38s