Build failed. https://zuul.opendev.org/t/openstack/buildset/8be1f7a05dfe4022b03ca3b55778ecb0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/987f24e685f34d0c86e52a517b1a978d : SUCCESS in 4m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e8e2882872b84526a9d7df870ead2b8b : FAILURE in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0b63f6be38a243c396a850f8e2c630d9 : SUCCESS in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4057d66918d64cd19133d0bbdcf7f747 : SUCCESS in 3m 55s