Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/af7c21eea63b4b50997b03d85a0ab42d : SUCCESS in 4m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/629270b8e24743b09080001ee25cacf2 : FAILURE in 3m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/66a380ed2f004648b9c4171f4b7de2f5 : SUCCESS in 3m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1ad7c8e336fa4b55bb4fdc5ce79e78b0 : SUCCESS in 4m 11s