Build failed. https://zuul.opendev.org/t/openstack/buildset/93b0ea4eecee45359461daf38da8138b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f8b84426a1d94ee08e9ee037b4bbb7ff : FAILURE in 6m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c35f50082123459b9d8d5bf5d67e3bd9 : SUCCESS in 5m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bd0e0d0eea6e4377baef5a9f8ce4e9bc : SUCCESS in 5m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/586e7e9187fa4fd49e441021dd961891 : SUCCESS in 7m 01s