/usr/share/pyshared/ is in trac-customfieldadmin 0.2.6+r10460-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/customfieldadmin/
/usr/share/pyshared/customfieldadmin/templates/
/usr/share/pyshared/customfieldadmin/templates/customfieldadmin.html
/usr/share/pyshared/customfieldadmin/api.py
/usr/share/pyshared/customfieldadmin/__init__.py
/usr/share/pyshared/customfieldadmin/htdocs/
/usr/share/pyshared/customfieldadmin/htdocs/js/
/usr/share/pyshared/customfieldadmin/htdocs/js/customfieldadmin.js
/usr/share/pyshared/customfieldadmin/customfieldadmin.py
/usr/share/pyshared/TracCustomFieldAdmin-0.2.6.egg-info/
/usr/share/pyshared/TracCustomFieldAdmin-0.2.6.egg-info/top_level.txt
/usr/share/pyshared/TracCustomFieldAdmin-0.2.6.egg-info/dependency_links.txt
/usr/share/pyshared/TracCustomFieldAdmin-0.2.6.egg-info/PKG-INFO
/usr/share/pyshared/TracCustomFieldAdmin-0.2.6.egg-info/entry_points.txt
/usr/share/pyshared/TracCustomFieldAdmin-0.2.6.egg-info/SOURCES.txt