Index: head/math/py-PuLP/Makefile
===================================================================
--- head/math/py-PuLP/Makefile	(revision 480111)
+++ head/math/py-PuLP/Makefile	(revision 480112)
@@ -1,27 +1,28 @@
 # $FreeBSD$
 
 PORTNAME=	PuLP
 DISTVERSION=	1.6.8
+PORTREVISION=	1
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	LP modeler written in python
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pyparsing>=2.0.1:devel/py-pyparsing@${PY_FLAVOR} \
 		cbc:math/cbc \
 		glpsol:math/glpk
 
 USES=		python
-USE_PYTHON=	distutils autoplist
+USE_PYTHON=	distutils concurrent autoplist
 NO_ARCH=	yes
 
 post-patch:
 	@${CP} ${WRKSRC}/src/pulp/pulp.cfg.linux ${WRKSRC}/src/pulp/pulp.cfg.freebsd
 	@${REINPLACE_CMD} -E 's/^(CplexPath|PulpCbcPath) = .*/#&/' ${WRKSRC}/src/pulp/pulp.cfg.freebsd
 
 .include <bsd.port.mk>