/usr/share/pyshared/bzrlib/smart/ is in python-bzrlib 2.5.0-2ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/bzrlib/smart/__init__.py
/usr/share/pyshared/bzrlib/smart/branch.py
/usr/share/pyshared/bzrlib/smart/bzrdir.py
/usr/share/pyshared/bzrlib/smart/client.py
/usr/share/pyshared/bzrlib/smart/medium.py
/usr/share/pyshared/bzrlib/smart/message.py
/usr/share/pyshared/bzrlib/smart/packrepository.py
/usr/share/pyshared/bzrlib/smart/protocol.py
/usr/share/pyshared/bzrlib/smart/repository.py
/usr/share/pyshared/bzrlib/smart/request.py
/usr/share/pyshared/bzrlib/smart/server.py
/usr/share/pyshared/bzrlib/smart/signals.py
/usr/share/pyshared/bzrlib/smart/vfs.py