From: Sam Gross <colesbury@gmail.com>
Date: Wed, 12 Mar 2025 17:16:23 +0000 (-0400)
Subject: gh-110097: Fix flaky `test_timeout` in `test_concurrent_futures.test_process_pool... 
X-Git-Tag: v3.14.0a6~55
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=776ec1e16728c6febd879e682afcd13d3bc7b53f;p=thirdparty%2FPython%2Fcpython.git

gh-110097: Fix flaky `test_timeout` in `test_concurrent_futures.test_process_pool` (gh-131108)

On heavily loaded systems, the launch of the workers to run
`time.sleep(0)` can take longer than the five second timeout.
---

diff --git a/Lib/test/test_concurrent_futures/executor.py b/Lib/test/test_concurrent_futures/executor.py
index dc92d2d7e4af..0221c28b3ceb 100644
--- a/Lib/test/test_concurrent_futures/executor.py
+++ b/Lib/test/test_concurrent_futures/executor.py
@@ -69,7 +69,9 @@ class ExecutorTest:
         else:
             self.fail('expected TimeoutError')
 
-        self.assertEqual([None, None], results)
+        # gh-110097: On heavily loaded systems, the launch of the worker may
+        # take longer than the specified timeout.
+        self.assertIn(results, ([None, None], [None], []))
 
     def test_shutdown_race_issue12456(self):
         # Issue #12456: race condition at shutdown where trying to post a