Build failed. https://zuul.opendev.org/t/openstack/buildset/7a1d91ec52554028a3321e09215a78b1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0e17d1005e4547d68bbe9dc0d4ef7d3d : SUCCESS in 3m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/11510e6b30294e28988151ff28273a3e : FAILURE in 2m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9e180465869e4a989fae75948d1f5b4f : SUCCESS in 3m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1119ba7618034e48be0f3bf8e9f7d002 : SUCCESS in 3m 13s