Index: head/devel/py-cbor2/Makefile
===================================================================
--- head/devel/py-cbor2/Makefile	(revision 476398)
+++ head/devel/py-cbor2/Makefile	(revision 476399)
@@ -1,23 +1,23 @@
 # Created by: Dan Langille <dvl@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	cbor2
 PORTVERSION=	4.1.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	dvl@FreeBSD.org
 COMMENT=	Pure Python CBOR (de)serializer with extensive tag support
 
 LICENSE=	MIT
 
-USES=		python
+USES=		python:2.7
 USE_PYTHON=	autoplist concurrent distutils
 
-BUILD_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>0:devel/py-setuptools_scm
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>0:devel/py-setuptools_scm@${PY_FLAVOR}
 
 #post-install:
 #	${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/cbor/_cbor.so
 
 .include <bsd.port.mk>