Build failed. https://zuul.opendev.org/t/openstack/buildset/ce5f29ba75dd441ca392d42cb53b62bd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f016ab2248064d358ce31af3c3ba0c38 : SUCCESS in 4m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c723c6bb0bdf4046906769dda13154f1 : FAILURE in 6m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/930d867b3f3c4f32a479b2717de8c019 : SUCCESS in 3m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f7405d90a3804cc0902c112ec8f146dd : SUCCESS in 4m 04s