/usr/lib/ is in tryton-modules-project-plan 3.8.0-1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/trytond/
/usr/lib/python2.7/dist-packages/trytond/modules/
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/usr/lib/python2.7/dist-packages/trytond/modules/project_plan/view/
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/usr/lib/python2.7/dist-packages/trytond/modules/project_plan/__init__.py
/usr/lib/python2.7/dist-packages/trytond/modules/project_plan/work.py
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/usr/lib/python2.7/dist-packages/trytond_project_plan-3.8.0.egg-info/dependency_links.txt