/usr/lib/python2.7/dist-packages/trytond/modules/ is in tryton-modules-analytic-invoice 1:2.2.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/__init__.py
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/__tryton__.py
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/invoice.py
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/invoice.xml
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/bg_BG.po
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/cs_CZ.po
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/de_DE.po
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/es_CO.po
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/es_ES.po
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/fr_FR.po
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/nl_NL.po
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/locale/ru_RU.po
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/tests/
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/tests/__init__.py
/usr/lib/python2.7/dist-packages/trytond/modules/analytic_invoice/tests/test_analytic_invoice.py