Build failed. https://zuul.opendev.org/t/openstack/buildset/0dbf51c6abdb458ab522a939a0cc8e34 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4982ef725a114aa1af900b680e3b2718 : SUCCESS in 5m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/54d2eeac230346c093f9ea7811802acf : SUCCESS in 6m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1db20061e368492b98f07ba857618d1a : SUCCESS in 7m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dd6c19f8ad8e4b6c8e2a952225664a0f : FAILURE in 5m 05s