Index: head/devel/py-pycparser/Makefile
===================================================================
--- head/devel/py-pycparser/Makefile	(revision 535811)
+++ head/devel/py-pycparser/Makefile	(revision 535812)
@@ -1,28 +1,24 @@
 # Created by: William Grzybowski <wg@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	pycparser
 PORTVERSION=	2.20
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	C parser in Python
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-# README says 2.7+, 3.4, 3.5+
-# TravisCI tests 2.6, 2.7, 3.2, 3.4, 3.5
-# https://travis-ci.org/eliben/pycparser
-# Go with the most accurate without missing any
 USES=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} tests/all_tests.py
 
 .include <bsd.port.mk>