py-wordnet: obsolete, replaced_by py-nltk

Upstream says:
PyWordNet was contributed to the NLTK project in 2006. Refer to that
software for a more recent implementation of Python/WordNet that has
been updated to Wordnet 2.1 and extended with some of the Wordnet
similarity scoring algorithms.

python/py-wordnet/Portfile

@@ -1,48 +1,14 @@
-PortSystem 1.0
-PortGroup python 1.0
+# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
-name			py-wordnet
-version			1.4
-revision		1
-license			Artistic-1 MIT
-platforms		darwin freebsd
-supported_archs	noarch
-maintainers		nomaintainer
-description		Python interface to the (included) WordNet database
-long_description	PyWordNet is a Python interface to the WordNet \
-				database of word meanings and lexical relationships. \
-				Version 1.7.1 or WordNet - the most recent version of \
-				WordNet working with py-wordnet - is included.
+PortSystem          1.0
+PortGroup           obsolete 1.0
 
-homepage		http://pywordnet.sourceforge.net/
-master_sites	sourceforge:pywordnet:source \
-				http://wordnetcode.princeton.edu/1.7.1:data
+name                py-wordnet
+replaced_by         py-nltk
+version             1.4
+revision            2
+categories          python
+license             Artistic-1 MIT
 
-python.versions	27
-
-if {${name} ne ${subport}} {
-    distfiles		pywordnet-${version}${extract.suffix}:source \
-                    WordNet-1.7.1${extract.suffix}:data
-    checksums		pywordnet-${version}${extract.suffix} \
-                        md5 791c796699d4c2cd6bd37ec32a232561 \
-                    WordNet-1.7.1${extract.suffix} \
-                        md5 5c8e569339cf7d8e727d884234365508
-    patchfiles		patch-wordnet.py.diff
-
-    worksrcdir		pywordnet-${version}
-
-    post-patch	{
-        reinplace "s|__PREFIX__|${prefix}|g" ${worksrcpath}/wordnet.py
-    }
-
-    post-destroot	{
-        xinstall -d -m 755 ${destroot}${prefix}/share/${subport}
-        xinstall -m 644 -W ${workpath}/WordNet-1.7.1/dict adj.exc adv.exc \
-            cntlist cntlist.rev data.adj data.adv data.noun data.verb \
-            index.adj index.adv index.noun index.sense index.verb lexnames \
-            noun.exc sentidx.vrb sents.vrb verb.exc \
-            ${destroot}${prefix}/share/${subport}
-        xinstall -m 644 -W ${build.dir} CHANGES.txt INSTALL.txt LICENSE.txt \
-            README.txt index.html ${destroot}${prefix}/share/doc/${subport}
-    }
-}
+subport py27-wordnet " replaced_by py27-nltk "
+# remove after April 17, 2020