/usr/lib/ is in tryton-modules-account-be 2.2.0-1.
This file is owned by root:root, with mode 0o755.
..
/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/
/usr/lib/python2.7/dist-packages/trytond/modules/account_be/
/usr/lib/python2.7/dist-packages/trytond_account_be-2.2.0.egg-info/
/usr/lib/python2.7/dist-packages/trytond/modules/account_be/tax_be.xml
/usr/lib/python2.7/dist-packages/trytond/modules/account_be/account_be.xml
/usr/lib/python2.7/dist-packages/trytond/modules/account_be/__init__.py
/usr/lib/python2.7/dist-packages/trytond/modules/account_be/__tryton__.py
/usr/lib/python2.7/dist-packages/trytond_account_be-2.2.0.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/trytond_account_be-2.2.0.egg-info/not-zip-safe
/usr/lib/python2.7/dist-packages/trytond_account_be-2.2.0.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/trytond_account_be-2.2.0.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/trytond_account_be-2.2.0.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/trytond_account_be-2.2.0.egg-info/entry_points.txt
/usr/lib/python2.7/dist-packages/trytond_account_be-2.2.0.egg-info/SOURCES.txt