Build failed. https://zuul.opendev.org/t/openstack/buildset/7201bdb588c84c2a86a443b061e5abf4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f59ad013684b4356a20685ea02d7e624 : FAILURE in 3m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4edda56af15d48719ec5471072b72156 : SUCCESS in 3m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3b8557e8373040f0a7a2b8374ce1c956 : FAILURE in 3m 07s