Build failed. https://zuul.opendev.org/t/openstack/buildset/0a2c77f2ecfe4eeb87c9adb9dadff1ec - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4e9618881ad14e3e839de7eeacdf291b : SUCCESS in 4m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f8e49581133e4586927aa3e5dd5fe543 : FAILURE in 3m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/de15d53af4eb49398db1c81bbb1707db : SUCCESS in 4m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c7a63dc3d3e94b40bbddb0478e51bddc : SUCCESS in 5m 19s