Build failed. https://zuul.opendev.org/t/openstack/buildset/6c9f06ad8c324c0ebb32e41564ec5c9b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/98ab00c66c8c44a0b7797d5ee626b97f : SUCCESS in 3m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0aa0b2a6241646709d4782319079a6c7 : FAILURE in 2m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d844d7b18c61441184bbf90390e42c39 : SUCCESS in 3m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4df3adc9e92643779e36de3343c2a927 : SUCCESS in 3m 05s