py-black: mark as not for python 2.x

[Thomas Klausner <tk%giga.or.at@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Thomas Klausner <tk%giga.or.at@localhost>
Pushed By:	wiz
Date:		Mon Jan 6 05:50:09 2020 +0100
Changeset:	7e54864036b51e02dd8a17dd36247e11cdf1a2ad

Modified Files:
	py-black/Makefile

Log Message:
py-black: mark as not for python 2.x

py-aiohttp* do not support it.

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=7e54864036b51e02dd8a17dd36247e11cdf1a2ad

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 py-black/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diffs:
diff --git a/py-black/Makefile b/py-black/Makefile
index eddd6567be..f05a77ac87 100644
--- a/py-black/Makefile
+++ b/py-black/Makefile
@@ -24,6 +24,8 @@ DEPENDS+=	${PYPKGPREFIX}-regex-[0-9]*:../../textproc/py-regex
 DEPENDS+=	${PYPKGPREFIX}-aiohttp>=3.3.2:../../www/py-aiohttp
 DEPENDS+=	${PYPKGPREFIX}-aiohttp-cors-[0-9]*:../../www/py-aiohttp-cors
 
+PYTHON_VERSIONS_INCOMPATIBLE=	27 # py-aiohttp
+
 post-install:
 	cd ${DESTDIR}${PREFIX}/bin && for b in black blackd; \
           do ${MV} $$b $$b-${PYVERSSUFFIX}; \