This port will be removed on 2020-12-31 if not fixed
Optional Python2.7 support dropped.
A commit references this bug: Author: rene Date: Fri Jan 1 16:28:47 UTC 2021 New revision: 559847 URL: https://svnweb.freebsd.org/changeset/ports/559847 Log: math/plplot: drop optional support for expired Python 2.7 The reverse dependencies of this port do not use it. PR: 249718 Submitted by: swills Changes: head/math/plplot/Makefile head/math/plplot/pkg-plist