This port will be removed on 2020-12-31 if not fixed
This PR seems to be a false positive according to make all-depends-list.
My bad, Python is optional here.
Removed CONV option.
A commit references this bug: Author: rene Date: Fri Jan 1 15:09:13 UTC 2021 New revision: 559835 URL: https://svnweb.freebsd.org/changeset/ports/559835 Log: dns/maradns: remove CONV option which depended on expired Python 2.7 PR: 249676 Submitted by: swills Changes: head/dns/maradns/Makefile head/dns/maradns/pkg-plist