/usr/lib/python2.7/dist-packages/trytond_account_dunning_letter-3.4.0.egg-info/entry_points.txt is in tryton-modules-account-dunning-letter 3.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [trytond.modules]
account_dunning_letter = trytond.modules.account_dunning_letter
|