/usr/share/pyshared/rebuildd/ is in rebuildd 0.4.2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/rebuildd/Distribution.py
/usr/share/pyshared/rebuildd/Dists.py
/usr/share/pyshared/rebuildd/Enumeration.py
/usr/share/pyshared/rebuildd/Job.py
/usr/share/pyshared/rebuildd/JobStatus.py
/usr/share/pyshared/rebuildd/Package.py
/usr/share/pyshared/rebuildd/Rebuildd.py
/usr/share/pyshared/rebuildd/RebuilddConfig.py
/usr/share/pyshared/rebuildd/RebuilddHTTPServer.py
/usr/share/pyshared/rebuildd/RebuilddLog.py
/usr/share/pyshared/rebuildd/RebuilddNetworkClient.py
/usr/share/pyshared/rebuildd/RebuilddNetworkServer.py
/usr/share/pyshared/rebuildd/__init__.py