Index: head/devel/py-libzfs/Makefile
===================================================================
--- head/devel/py-libzfs/Makefile	(revision 390593)
+++ head/devel/py-libzfs/Makefile	(revision 390594)
@@ -1,36 +1,41 @@
 # Created by: William Grzybowski <wg@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	libzfs
 PORTVERSION=	1.0
+PORTREVISION=	1
 CATEGORIES=	devel python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	wg@FreeBSD.org
 COMMENT=	Python libzfs bindings
 
 LICENSE=	BSD2CLAUSE
 
 BUILD_DEPENDS=	cython>0:${PORTSDIR}/lang/cython
 
 USE_GITHUB=     yes
 GH_ACCOUNT=	freenas
 GH_PROJECT=	py-libzfs
 GH_TAGNAME=	af5d66e
 
 USES=		python
 USE_PYTHON=	autoplist distutils
 
 MAKE_ENV=	FREEBSD_SRC=${SRC_BASE}
 
 .include <bsd.port.pre.mk>
+
+.if ${PYTHON_REL} < 3400
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}enum34>0:${PORTSDIR}/devel/py-enum34
+.endif
 
 .if !exists(${SRC_BASE}/sys/Makefile)
 IGNORE=	requires kernel source files in ${SRC_BASE}
 .endif
 
 .if ${OPSYS} == FreeBSD && ${OSVERSION} <= 1000000
 IGNORE=	This module requires at least FreeBSD 10
 .endif
 
 .include <bsd.port.post.mk>