Index: head/sysutils/py-diffoscope/Makefile
===================================================================
--- head/sysutils/py-diffoscope/Makefile	(revision 420455)
+++ head/sysutils/py-diffoscope/Makefile	(revision 420456)
@@ -1,36 +1,33 @@
 # Created by: Kubilay Kocak <koobs@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	diffoscope
-PORTVERSION=	54
+PORTVERSION=	59
 CATEGORIES=	sysutils python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	koobs@FreeBSD.org
 COMMENT=	In-depth comparison of files, archives, and directories
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}libarchive-c>=0:archivers/py3-libarchive-c \
 		${PYTHON_PKGNAMEPREFIX}python-magic>=0:devel/py3-python-magic
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest \
 		zipinfo:archivers/unzip \
 		isoinfo:sysutils/cdrkit \
 		rpm2cpio:archivers/rpm2cpio
 
 USES=		python:3.4+
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
-post-extract:
-	@${RM} -rf \
-		${WRKSRC}/tests/__pycache__ \
-		${WRKSRC}/tests/comparators/__pycache__
+# mount -t fdescfs fdesc /dev/fd before running tests
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test --pytest-args="-rsx -l -vv"
 
 .include <bsd.port.mk>
Index: head/sysutils/py-diffoscope/distinfo
===================================================================
--- head/sysutils/py-diffoscope/distinfo	(revision 420455)
+++ head/sysutils/py-diffoscope/distinfo	(revision 420456)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1465935586
-SHA256 (diffoscope-54.tar.gz) = f62020c4b21eb6295a334c1816f5763f329b0fae88e4fd30ad8352f6b93764b7
-SIZE (diffoscope-54.tar.gz) = 387267
+TIMESTAMP = 1471591876
+SHA256 (diffoscope-59.tar.gz) = 78be510ba9a3cbe4301288cd8ccd686e8694e2baae9119e2cc612a3b18ae3a26
+SIZE (diffoscope-59.tar.gz) = 400860