/usr/share/pyshared/bzrlib/ is in bzr-pqm 1.4.0~bzr90-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/bzrlib/plugins/
/usr/share/pyshared/bzrlib/plugins/pqm/
/usr/share/pyshared/bzrlib/plugins/pqm/__init__.py
/usr/share/pyshared/bzrlib/plugins/pqm/cmds.py
/usr/share/pyshared/bzrlib/plugins/pqm/config.py
/usr/share/pyshared/bzrlib/plugins/pqm/lpland.py
/usr/share/pyshared/bzrlib/plugins/pqm/pqm_submit.py
/usr/share/pyshared/bzrlib/plugins/pqm/tests/
/usr/share/pyshared/bzrlib/plugins/pqm/tests/__init__.py
/usr/share/pyshared/bzrlib/plugins/pqm/tests/fakemethod.py
/usr/share/pyshared/bzrlib/plugins/pqm/tests/test_lpland.py
/usr/share/pyshared/bzrlib/plugins/pqm/tests/test_pqm_submit.py