/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/ is in tryton-modules-sale-shipment-grouping 3.4.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/ca_ES.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/de_DE.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/es_AR.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/es_CO.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/es_EC.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/es_ES.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/fr_FR.po
/usr/lib/python2.7/dist-packages/trytond/modules/sale_shipment_grouping/locale/sl_SI.po