Build failed. https://zuul.opendev.org/t/openstack/buildset/7d1c6fc0b2204d8da6fc81e2a41fba2a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b26e2c56def74650b3b244b602c311c3 : SUCCESS in 3m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/673ef1287f0349edbaf7360ea21a053f : FAILURE in 3m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/473ba61059b54fc8b77d0c2ebcbac4f7 : SUCCESS in 3m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1df23f4420964b6da5a3f2bcaf26f6a0 : FAILURE in 4m 30s