Build failed. https://zuul.opendev.org/t/openstack/buildset/a2a5e47412374ca780b3fd4f7fefed6f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/021c92c4bc494abf9721478816d20dc0 : SUCCESS in 2m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0592e36e89354b1990f34cab3aa5c8e7 : SUCCESS in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/af0c48248af047bcabbec5c85403a69c : FAILURE in 2m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7f4253fe20a747e7b42dd2b0de8134f5 : FAILURE in 2m 25s