Index: head/math/py-sympy/Makefile
===================================================================
--- head/math/py-sympy/Makefile	(revision 459134)
+++ head/math/py-sympy/Makefile	(revision 459135)
@@ -1,28 +1,30 @@
 # Created by: Wen Heping <wenheping@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	sympy
 PORTVERSION=	1.1.1
+PORTREVISION=	1
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Python Library For Symbolic Mathematics
 
 LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mpmath>=0.19:math/py-mpmath@${FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	distutils concurrent autoplist
+NO_ARCH=	yes
 
 OPTIONS_DEFINE=	PYGLET
 PYGLET_DESC=	Enable plotting support
 
 PYGLET_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pyglet>=1.1.2:graphics/py-pyglet@${FLAVOR}
 
 post-patch:
 	@${REINPLACE_CMD} -e "s#share/man/man1#man/man1#" ${WRKSRC}/setup.py
 
 .include <bsd.port.mk>