Build failed. https://zuul.opendev.org/t/openstack/buildset/1e3f8677fb7d487ebfd50d673fca8d8e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/034d14e71fe44c42a7c8718f75ceee9f : SUCCESS in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7d1ca614b7524718b71ec75fd40d4c49 : FAILURE in 3m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4d0096c1c0e049dfb338588ab0f7c089 : SUCCESS in 3m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/040e374f174648889cc307cff1b6b004 : FAILURE in 2m 58s