Build failed. https://zuul.opendev.org/t/openstack/buildset/dd88b74f5bed49578f94b6c6fb881432 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/aa61c4c766cc419d8f7953b687436a9c : SUCCESS in 2m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d76de8f258a34516938fa41b67139e7d : SUCCESS in 2m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/06f49cafb61a451e8ab7cac7beb2c0f3 : SUCCESS in 2m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ccd04eed9b164ffc9c01db780a1db38a : FAILURE in 2m 25s