/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/ is in tryton-modules-product-cost-history 3.4.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/bg_BG.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/ca_ES.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/cs_CZ.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/de_DE.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/es_AR.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/es_CO.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/es_EC.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/es_ES.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/fr_FR.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/nl_NL.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/ru_RU.po
/usr/lib/python2.7/dist-packages/trytond/modules/product_cost_history/locale/sl_SI.po