From c4d9df5fd719ad08e68e0950ce22a80f43e4f35d Mon Sep 17 00:00:00 2001
From: Yury Selivanov <yury@magic.io>
Date: Sun, 10 Dec 2017 12:40:19 -0500
Subject: [PATCH] Skip test_read_pty_output test on macOS for poll and select.
 (#4774)

Starting with 10.13.2 the test hangs forever.
---
 Lib/test/test_asyncio/test_events.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Lib/test/test_asyncio/test_events.py b/Lib/test/test_asyncio/test_events.py
index 2e8f46dd41e..01300246fda 100644
--- a/Lib/test/test_asyncio/test_events.py
+++ b/Lib/test/test_asyncio/test_events.py
@@ -1486,9 +1486,7 @@ class EventLoopTestsMixin:
 
     @unittest.skipUnless(sys.platform != 'win32',
                          "Don't support pipes for Windows")
-    # select, poll and kqueue don't support character devices (PTY) on Mac OS X
-    # older than 10.6 (Snow Leopard)
-    @support.requires_mac_ver(10, 6)
+    @unittest.skipIf(sys.platform == 'darwin', 'test hangs on MacOS')
     # Issue #20495: The test hangs on FreeBSD 7.2 but pass on FreeBSD 9
     @support.requires_freebsd_version(8)
     def test_read_pty_output(self):