Build failed. https://zuul.opendev.org/t/openstack/buildset/99d3e41dd60347f4a0addb1703306007 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/12f070779e034dbcbcf4ea1e989e94f4 : SUCCESS in 3m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8c6c59e3dd7b47be97d4767f24d43029 : FAILURE in 3m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/801066d755f74a83b9bb1429556cef1e : SUCCESS in 3m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9887bbcda12049b9b27d7963850d7f85 : FAILURE in 2m 55s