Index: head/devel/py-cfgv/Makefile
===================================================================
--- head/devel/py-cfgv/Makefile	(revision 542189)
+++ head/devel/py-cfgv/Makefile	(revision 542190)
@@ -1,20 +1,18 @@
 # $FreeBSD$
 
 PORTNAME=	cfgv
-PORTVERSION=	2.0.1
+PORTVERSION=	3.1.0
 CATEGORIES=	devel
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	swills@FreeBSD.org
 COMMENT=	Validate configuration and produce human readable error messages
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=1.1.0:devel/py-six@${PY_FLAVOR}
-
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 .include <bsd.port.mk>
Index: head/devel/py-cfgv/distinfo
===================================================================
--- head/devel/py-cfgv/distinfo	(revision 542189)
+++ head/devel/py-cfgv/distinfo	(revision 542190)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1570731967
-SHA256 (cfgv-2.0.1.tar.gz) = edb387943b665bf9c434f717bf630fa78aecd53d5900d2e05da6ad6048553144
-SIZE (cfgv-2.0.1.tar.gz) = 7730
+TIMESTAMP = 1594693519
+SHA256 (cfgv-3.1.0.tar.gz) = c8e8f552ffcc6194f4e18dd4f68d9aef0c0d58ae7e7be8c82bee3c5e9edfa513
+SIZE (cfgv-3.1.0.tar.gz) = 7519