/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/ is in tryton-modules-calendar-todo 4.2.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/attendee_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/attendee_tree.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/exdate_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/exdate_tree.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/exrule_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/exrule_tree.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/rdate_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/rdate_tree.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/rrule_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/rrule_tree.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/todo_form.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/todo_tree.xml
/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/view/todo_tree_occurence.xml