Build failed. https://zuul.opendev.org/t/openstack/buildset/d858f7c3249a4166a868430af90da983 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/517ad7c64b2843d6b5f7b51710c60aa0 : FAILURE in 3m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/05910de878e24b269b5bd37ff0ae634a : SUCCESS in 3m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f2c05ec8ed244c3b8b8c47ed80ac7b51 : SUCCESS in 3m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5692b7db1c3d4855909eeedc2041c77b : SUCCESS in 3m 44s