Build failed. https://zuul.opendev.org/t/openstack/buildset/5c4ae838e7ce43d599ebc91547e62ae0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a4e1163c20fb4d488f28b512194fbd0c : SUCCESS in 3m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ebe0914d95ba4a24bff09bb31e3106d8 : FAILURE in 2m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/aaa75020b7844541930967818d8a92ce : SUCCESS in 2m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6dab0de8e85049459746cff3a0924417 : SUCCESS in 3m 12s