Build failed. https://zuul.opendev.org/t/openstack/buildset/cc6fd22fb329442cbefabce6721e5bfc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3b5a62f57a704d50b179d4672035a015 : SUCCESS in 5m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ae2c7ba40a6046b7b322de54e3a94210 : FAILURE in 3m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0325534c0b8846d2837840fc7b619e36 : SUCCESS in 4m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/25360d17422c4837864eb60b187cba6b : SUCCESS in 4m 49s