Build failed. https://zuul.opendev.org/t/openstack/buildset/fb6b61c86b8c45229a8f16127a5602be - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5a9dee2779a548a2926fe032de39c463 : FAILURE in 7m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/52cd1f361f1a4d8aa43ebb5fb5d74163 : SUCCESS in 5m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2dd02af7b47644aaa9abcc3d159bc6de : SUCCESS in 6m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8fa5fba0d61d46609d0060027ed2d49e : SUCCESS in 6m 53s