/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/ is in tryton-modules-sale-supply-drop-shipment 3.4.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/product_supplier_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/purchase_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/purchase_request_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/purchase_request_tree.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/sale_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/shipment_drop_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/shipment_drop_tree.xml
/usr/lib/python2.7/dist-packages/trytond/modules/sale_supply_drop_shipment/view/stock_configuration_form.xml