Index: head/math/py-yt/Makefile
===================================================================
--- head/math/py-yt/Makefile	(revision 462342)
+++ head/math/py-yt/Makefile	(revision 462343)
@@ -1,38 +1,38 @@
 # Created by: Yuri Victorovich <yuri@rawbw.com>
 # $FreeBSD$
 
 PORTNAME=	yt
-PORTVERSION=	3.4.0
+DISTVERSION=	3.4.1
 CATEGORIES=	math astro python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
-MAINTAINER=	yuri@rawbw.com
+MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Analysis and visualization toolkit for volumetric data
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING.txt
 
 BUILD_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}pyembree>0:graphics/py-pyembree@${FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sympy>0:math/py-sympy@${FLAVOR} \
 		${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}pyembree>0:graphics/py-pyembree@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}matplotlib>=1.5.3:math/py-matplotlib@${FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ipython>=1.0:devel/ipython@${FLAVOR}
 LIB_DEPENDS=	libembree.so:graphics/embree \
 		libomp.so:devel/openmp
 
-USES=		dos2unix localbase python:2.7
-USE_PYTHON=	autoplist distutils cython
+USES=		dos2unix localbase python
+USE_PYTHON=	distutils cython autoplist concurrent
 
 post-patch:
 	@${REINPLACE_CMD} -e "s|check_for_pyembree() is not None|True|; s|check_for_openmp() is True|True|" \
 		${WRKSRC}/setup.py
 	@${REINPLACE_CMD} -e "s|\['-fopenmp', filename\]|['-I${LOCALBASE}/include', '-L${LOCALBASE}/lib', '-lm', '-fopenmp', filename]|" \
 		${WRKSRC}/setupext.py
 
 post-install:
 	@${STRIP_CMD} $$(${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR} -name "*.so")
 
 .include <bsd.port.mk>
Index: head/math/py-yt/distinfo
===================================================================
--- head/math/py-yt/distinfo	(revision 462342)
+++ head/math/py-yt/distinfo	(revision 462343)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1502536922
-SHA256 (yt-3.4.0.tar.gz) = de52057d1677473a83961d8a1119a9beae3121ec69a4a5469c65348a75096d4c
-SIZE (yt-3.4.0.tar.gz) = 9989933
+TIMESTAMP = 1519057854
+SHA256 (yt-3.4.1.tar.gz) = a4cfc47fe21683e7a3b680c05fe2a25fb774ffda6e3939a35755e5bf64065895
+SIZE (yt-3.4.1.tar.gz) = 10141725