Build failed. https://zuul.opendev.org/t/openstack/buildset/b11fe7642cf5430d8ed8f9e0042c7f54 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3d8459d46a644fe5a1421ac3d3e69992 : SUCCESS in 3m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c636843ac97a45878464b1fd12068f6a : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b7e77f17cd1f4e01afe95d5205ce9555 : FAILURE in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/42bb136e5b3d476c87c5066e5b469a70 : FAILURE in 2m 46s