databases/py-redis2: Convert to USE_PYTHON=pep517

- Bump PORTREVISION for package change

databases/py-redis2/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	redis
 PORTVERSION=	2.10.6
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	databases python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -13,12 +13,14 @@ WWW=		https://github.com/redis/redis-py
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=2.5.0,1:devel/py-pytest@${PY_FLAVOR} \
 		redis-server:databases/redis
 
 USES=		python
-USE_PYTHON=	distutils autoplist concurrent
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes