Index: head/devel/py-wrapt/Makefile
===================================================================
--- head/devel/py-wrapt/Makefile	(revision 450537)
+++ head/devel/py-wrapt/Makefile	(revision 450538)
@@ -1,21 +1,21 @@
 # $FreeBSD$
 
 PORTNAME=	wrapt
 PORTVERSION=	1.10.11
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Decorators, wrappers and monkey patching
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USE_PYTHON=	autoplist concurrent distutils
-USES=		python
+USES?=		python
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/wrapt/_wrappers.so
 
 .include <bsd.port.mk>