Build failed. https://zuul.opendev.org/t/openstack/buildset/d6b5e944e2d44021a770b434c90cbc43 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/882f2f18941644cfb310aac101c2ec99 : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ccd52a302e9b42e59fdbc677dde2eb88 : SUCCESS in 2m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6844bc2f00eb4f4e86106b30705caeb7 : FAILURE in 2m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d12b160cc8af4b73bf2df09d7c9baf1d : FAILURE in 2m 54s