Index: head/devel/py-isort/Makefile
===================================================================
--- head/devel/py-isort/Makefile	(revision 460587)
+++ head/devel/py-isort/Makefile	(revision 460588)
@@ -1,22 +1,28 @@
 # $FreeBSD$
 
 PORTNAME=	isort
-PORTVERSION=	4.2.15
+PORTVERSION=	4.3.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Python utility/library to sort Python imports
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${FLAVOR}
 
 NO_ARCH=	yes
 USE_PYTHON=	autoplist concurrent distutils
 USES=		python
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PYTHON_REL} < 3000
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}futures>=0:devel/py-futures@${FLAVOR}
+.endif
+
+.include <bsd.port.post.mk>
Index: head/devel/py-isort/distinfo
===================================================================
--- head/devel/py-isort/distinfo	(revision 460587)
+++ head/devel/py-isort/distinfo	(revision 460588)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1496922736
-SHA256 (isort-4.2.15.tar.gz) = 79f46172d3a4e2e53e7016e663cc7a8b538bec525c36675fcfd2767df30b3983
-SIZE (isort-4.2.15.tar.gz) = 56740
+TIMESTAMP = 1517488777
+SHA256 (isort-4.3.0.tar.gz) = beff82862fc587bef031c8b60485e41e1362d1f1cf1904be2aefb9f0027884c7
+SIZE (isort-4.3.0.tar.gz) = 54851