/usr/share/pyshared/trytond/ is in tryton-modules-account-de-skr03 3.0.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/trytond/modules/
/usr/share/pyshared/trytond/modules/account_de_skr03/
/usr/share/pyshared/trytond/modules/account_de_skr03/__init__.py
/usr/share/pyshared/trytond/modules/account_de_skr03/account_de.xml
/usr/share/pyshared/trytond/modules/account_de_skr03/tryton.cfg
/usr/share/pyshared/trytond_account_de_skr03-3.0.0.egg-info/PKG-INFO
/usr/share/pyshared/trytond_account_de_skr03-3.0.0.egg-info/dependency_links.txt
/usr/share/pyshared/trytond_account_de_skr03-3.0.0.egg-info/entry_points.txt
/usr/share/pyshared/trytond_account_de_skr03-3.0.0.egg-info/not-zip-safe
/usr/share/pyshared/trytond_account_de_skr03-3.0.0.egg-info/requires.txt
/usr/share/pyshared/trytond_account_de_skr03-3.0.0.egg-info/top_level.txt