Build failed. https://zuul.opendev.org/t/openstack/buildset/f1effef4b75d4cc882d681ac85c485a0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/36820f9288344b929b476966c12d8a5e : SUCCESS in 3m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e8c13d81b6d84dad8f2bbda7c35c153d : FAILURE in 4m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4aac7163a155466fa3afe490a2c67e23 : SUCCESS in 5m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/aee4d702f40a407cbbc3c0dbf578196c : SUCCESS in 4m 24s