Build failed. https://zuul.opendev.org/t/openstack/buildset/0bb3e145aa24416faada0fde20d7db55 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4d0fc99e3621451d97c8916599097539 : SUCCESS in 3m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c9a5cea01c784ccaa649c47aa3d5abbe : SUCCESS in 3m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/82cf8ff5a0c64bf3bc784e64e290238c : SUCCESS in 3m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5d88561c3d77412485f895adc9af81b0 : FAILURE in 3m 05s