Build failed. https://zuul.opendev.org/t/openstack/buildset/642cef5752184e46858beafdbf7ae915 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a4252a1e91364f488752bf488313c22f : SUCCESS in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0d4b08235dc140d299e53a0a7a433397 : FAILURE in 2m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e80c3f1e0af04c2f98622c8e6bb9faae : SUCCESS in 3m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/20308ee4303a453e9dcd5aa558dbe5d2 : SUCCESS in 7m 40s