Index: head/textproc/py-nltk/Makefile
===================================================================
--- head/textproc/py-nltk/Makefile	(revision 495521)
+++ head/textproc/py-nltk/Makefile	(revision 495522)
@@ -1,23 +1,31 @@
 # $FreeBSD$
 
 PORTNAME=	nltk
-PORTVERSION=	3.2.1
-PORTREVISION=	1
+PORTVERSION=	3.4
 PORTEPOCH=	2
 CATEGORIES=	textproc python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	demon@FreeBSD.org
 COMMENT=	Natural language toolkit written in python
 
 LICENSE=	APACHE20
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}tkinter>=0:x11-toolkits/py-tkinter@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>0:devel/py-six@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}tkinter>=0:x11-toolkits/py-tkinter@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yaml>=3.09:devel/py-yaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sqlite3>=0:databases/py-sqlite3@${PY_FLAVOR}
 
-USES=		python
+USES=		python zip
 USE_PYTHON=	distutils autoplist
 
-.include <bsd.port.mk>
+NO_ARCH=	yes
+
+.include <bsd.port.pre.mk>
+
+.if ${PYTHON_REL} < 3400
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}singledispatch>0:devel/py-singledispatch@${PY_FLAVOR}
+.endif
+
+.include <bsd.port.post.mk>
Index: head/textproc/py-nltk/distinfo
===================================================================
--- head/textproc/py-nltk/distinfo	(revision 495521)
+++ head/textproc/py-nltk/distinfo	(revision 495522)
@@ -1,2 +1,3 @@
-SHA256 (nltk-3.2.1.tar.gz) = d5533b2d7106ba33d1431a3e77b903c58f07433f0ea8f7a7bc9af2ea2d5c7d6a
-SIZE (nltk-3.2.1.tar.gz) = 1121639
+TIMESTAMP = 1552416797
+SHA256 (nltk-3.4.zip) = 286f6797204ffdb52525a1d21ec0a221ec68b8e3fa4f2d25f412ac8e63c70e8d
+SIZE (nltk-3.4.zip) = 1432008