Index: head/www/py-bokeh/Makefile
===================================================================
--- head/www/py-bokeh/Makefile	(revision 550618)
+++ head/www/py-bokeh/Makefile	(revision 550619)
@@ -1,31 +1,31 @@
 # Created by: Sergey Kozlov <kozlov.sergey.404@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	bokeh
 PORTVERSION=	2.2.1
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	skozlov@FreeBSD.org
 COMMENT=	Interactive Web Plotting for Python
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}Jinja2>=2.7:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}packaging>=16.8:devel/py-packaging@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}dateutil>=2.1:devel/py-dateutil@${PY_FLAVOR} \
 		${PY_PILLOW} \
 		${PYTHON_PKGNAMEPREFIX}yaml>=3.10:devel/py-yaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.5.2:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tornado>=5:www/py-tornado@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>=3.7.4:devel/py-typing-extensions@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils concurrent
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>