The following commit has been merged in the debian-py3 branch: https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi/?p=tryton/tryton-modules-sale-shipment-cost.git;a=commitdiff;h=debian/4.0.0-1-1-g787b192 -- tryton-modules-sale-shipment-cost