Index: head/devel/py-backports.csv/Makefile
===================================================================
--- head/devel/py-backports.csv/Makefile	(revision 478380)
+++ head/devel/py-backports.csv/Makefile	(revision 478381)
@@ -1,20 +1,31 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	backports.csv
 PORTVERSION=	1.0.6
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Backport of Python 3 csv module
 
 LICENSE=	PSFL
 LICENSE_FILE=	${WRKSRC}/LICENSE.rst
 
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}backports>0:devel/py-backports@${FLAVOR}
+
 NO_ARCH=	yes
 USE_PYTHON=	autoplist distutils
 USES=		python:2.7
+
+POST_PLIST=	trim-backports-namespace
+
+post-install:
+	@${RM} ${STAGEDIR}${PYTHON_SITELIBDIR}/backports/__init__.py*
+
+trim-backports-namespace:
+	@${REINPLACE_CMD} '/backports\/__init__.py*/d' ${TMPPLIST}
 
 .include <bsd.port.mk>