Build failed. https://zuul.opendev.org/t/openstack/buildset/17d9d13501964f898c4bf5ae2d20380f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2bdaf267ef5044af86100a5660054e01 : FAILURE in 6m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f4768db5e60e4dc39b026eff1582b774 : SUCCESS in 6m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cc0b770417f74b139d979a5396fc2ad2 : SUCCESS in 7m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1d88cb8eec9d45919a4e4b777cb4d792 : SUCCESS in 8m 23s