Fix detection of new python 3.9 stdlib module as such

svn path=/head/; revision=553896

devel/py-flake8-import-order/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	flake8-import-order
 PORTVERSION=	0.18.1
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

devel/py-flake8-import-order/files/patch-python3.9

@@ -0,0 +1,19 @@
+From 6916da0cfbbe21e8b49bed3cbf25b9657dfe9452 Mon Sep 17 00:00:00 2001
+From: Dmitry Marakasov <amdmi3@amdmi3.ru>
+Date: Tue, 20 Oct 2020 16:26:42 +0300
+Subject: [PATCH] Recognize zoneinfo introduced in python 3.9 as stdlib
+
+---
+ flake8_import_order/stdlib_list.py | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/flake8_import_order/stdlib_list.py b/flake8_import_order/stdlib_list.py
+index c6d9353..59fd913 100644
+--- flake8_import_order/stdlib_list.py
++++ flake8_import_order/stdlib_list.py
+@@ -316,4 +316,5 @@
+     "zipfile",
+     "zipimport",
+     "zlib",
++    "zoneinfo",
+ }