/usr/lib/python2.7/ is in tryton-modules-timesheet-cost 3.8.0-1.
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/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/trytond_timesheet_cost-3.8.0.egg-info/
/usr/lib/python2.7/dist-packages/trytond_timesheet_cost-3.8.0.egg-info/not-zip-safe
/usr/lib/python2.7/dist-packages/trytond_timesheet_cost-3.8.0.egg-info/PKG-INFO
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/usr/lib/python2.7/dist-packages/trytond/modules/timesheet_cost/timesheet.xml