Build failed. https://zuul.opendev.org/t/openstack/buildset/e6e5d382923f439996ccbdca3df6a45a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/98d9a69a5270499eb577bc80a7f284de : FAILURE in 7m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ae736928812d42c3a1d9a224c235937e : SUCCESS in 7m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3160bc568d04480f84cc7641fa20b6b9 : SUCCESS in 7m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4b0a3470d5d844ae847f36136f50b825 : SUCCESS in 8m 16s