Package: src:libcloud Version: 2.3.0-1you are trying to loop over all supported python versions? that would be pyversions -s, but otoh the test dependencies don't include python3-all / python-all.
$ cat debian/tests/upstream #!/bin/sh set -e PYTHON2S=`pyversions -d` PYTHON3S=`py3versions -d` cp libcloud/test/secrets.py-dist libcloud/test/secrets.py for PY in $PYTHON2S; do $PY setup.py test 2>&1; done for PY in $PYTHON3S; do $PY setup.py test 2>&1; done