/usr/share/pyshared/ is in tryton-modules-project-plan 3.0.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/trytond/
/usr/share/pyshared/trytond/modules/
/usr/share/pyshared/trytond/modules/project_plan/
/usr/share/pyshared/trytond/modules/project_plan/__init__.py
/usr/share/pyshared/trytond/modules/project_plan/allocation.py
/usr/share/pyshared/trytond/modules/project_plan/allocation.xml
/usr/share/pyshared/trytond/modules/project_plan/locale/
/usr/share/pyshared/trytond/modules/project_plan/locale/bg_BG.po
/usr/share/pyshared/trytond/modules/project_plan/locale/ca_ES.po
/usr/share/pyshared/trytond/modules/project_plan/locale/cs_CZ.po
/usr/share/pyshared/trytond/modules/project_plan/locale/de_DE.po
/usr/share/pyshared/trytond/modules/project_plan/locale/es_AR.po
/usr/share/pyshared/trytond/modules/project_plan/locale/es_CO.po
/usr/share/pyshared/trytond/modules/project_plan/locale/es_ES.po
/usr/share/pyshared/trytond/modules/project_plan/locale/fr_FR.po
/usr/share/pyshared/trytond/modules/project_plan/locale/nl_NL.po
/usr/share/pyshared/trytond/modules/project_plan/locale/ru_RU.po
/usr/share/pyshared/trytond/modules/project_plan/locale/sl_SI.po
/usr/share/pyshared/trytond/modules/project_plan/tests/
/usr/share/pyshared/trytond/modules/project_plan/tests/__init__.py
/usr/share/pyshared/trytond/modules/project_plan/tests/test_project_plan.py
/usr/share/pyshared/trytond/modules/project_plan/tryton.cfg
/usr/share/pyshared/trytond/modules/project_plan/view/
/usr/share/pyshared/trytond/modules/project_plan/view/allocation_form.xml
/usr/share/pyshared/trytond/modules/project_plan/view/allocation_tree.xml
/usr/share/pyshared/trytond/modules/project_plan/view/work_form.xml
/usr/share/pyshared/trytond/modules/project_plan/work.py
/usr/share/pyshared/trytond/modules/project_plan/work.xml
/usr/share/pyshared/trytond_project_plan-3.0.0.egg-info/
/usr/share/pyshared/trytond_project_plan-3.0.0.egg-info/PKG-INFO
/usr/share/pyshared/trytond_project_plan-3.0.0.egg-info/dependency_links.txt
/usr/share/pyshared/trytond_project_plan-3.0.0.egg-info/entry_points.txt
/usr/share/pyshared/trytond_project_plan-3.0.0.egg-info/not-zip-safe
/usr/share/pyshared/trytond_project_plan-3.0.0.egg-info/requires.txt
/usr/share/pyshared/trytond_project_plan-3.0.0.egg-info/top_level.txt