/usr/share/pyshared/bzrlib/plugins/ is in bzr-xmloutput 0.8.8+bzr162-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/bzrlib/plugins/xmloutput/
/usr/share/pyshared/bzrlib/plugins/xmloutput/__init__.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/annotatexml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/client.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/cmds.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/info.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/infoxml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/logxml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/lsxml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/missingxml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/search.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/service.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/statusxml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/__init__.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/elementtree_builder.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/test_annotate_xml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/test_info_xml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/test_log_xml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/test_ls_xml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/test_service.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/test_status_xml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/tests/test_version_xml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/versionxml.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/writer.py
/usr/share/pyshared/bzrlib/plugins/xmloutput/xml_errors.py