/usr/share/pyshared/trytond/ is in tryton-modules-analytic-purchase 2.2.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/trytond/modules/
/usr/share/pyshared/trytond/modules/analytic_purchase/
/usr/share/pyshared/trytond/modules/analytic_purchase/__init__.py
/usr/share/pyshared/trytond/modules/analytic_purchase/__tryton__.py
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/bg_BG.po
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/cs_CZ.po
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/de_DE.po
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/es_CO.po
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/es_ES.po
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/fr_FR.po
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/nl_NL.po
/usr/share/pyshared/trytond/modules/analytic_purchase/locale/ru_RU.po
/usr/share/pyshared/trytond/modules/analytic_purchase/purchase.py
/usr/share/pyshared/trytond/modules/analytic_purchase/purchase.xml
/usr/share/pyshared/trytond/modules/analytic_purchase/tests/
/usr/share/pyshared/trytond/modules/analytic_purchase/tests/__init__.py
/usr/share/pyshared/trytond/modules/analytic_purchase/tests/test_analytic_purchase.py
/usr/share/pyshared/trytond_analytic_purchase-2.2.0.egg-info/PKG-INFO
/usr/share/pyshared/trytond_analytic_purchase-2.2.0.egg-info/SOURCES.txt
/usr/share/pyshared/trytond_analytic_purchase-2.2.0.egg-info/dependency_links.txt
/usr/share/pyshared/trytond_analytic_purchase-2.2.0.egg-info/entry_points.txt
/usr/share/pyshared/trytond_analytic_purchase-2.2.0.egg-info/not-zip-safe
/usr/share/pyshared/trytond_analytic_purchase-2.2.0.egg-info/requires.txt
/usr/share/pyshared/trytond_analytic_purchase-2.2.0.egg-info/top_level.txt