/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/ is in tryton-modules-sale-supply 3.4.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/__init__.py
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/ca_ES.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/de_DE.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/es_AR.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/es_CO.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/es_EC.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/es_ES.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/fr_FR.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/locale/sl_SI.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/product.py
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/product.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/purchase.py
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/sale.py
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/sale.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/stock.py
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/tests/
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/tests/__init__.py
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/tests/scenario_sale_supply.rst
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/tests/test_sale_supply.py
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/tryton.cfg
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/view/
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/view/sale_line_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply/view/template_form.xml