Build failed. https://zuul.opendev.org/t/openstack/buildset/f6df96c52b6a4f83ad3c187c946b2b23 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7662174fb6044574bc6eb38d0fb9ccf1 : FAILURE in 6m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a766582dddc04ca79bd5b0de1bc120f9 : SUCCESS in 6m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a920a3bfa7194cb688acb6d384adaf53 : SUCCESS in 7m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2416117e878844ad89f5e04bfffbe25c : SUCCESS in 7m 16s