Created attachment 199814 [details] Patch to fix the issue. Make patchtool compatible with python 3.x.
$ grep MAINT Tools/scripts/patchtool.py # MAINTAINER= ports@FreeBSD.org <- any unapproved commits to this file are
A commit references this bug: Author: tobik Date: Tue Jan 29 14:44:12 UTC 2019 New revision: 491566 URL: https://svnweb.freebsd.org/changeset/ports/491566 Log: Make Tools/scripts/patchtool.py compatible with Python 3.x PR: 233776 Submitted by: sobomax Changes: head/Tools/scripts/patchtool.py