https://github.com/python/cpython/commit/c22eef44d8b1d2828108b49a735359917ad1da79
commit: c22eef44d8b1d2828108b49a735359917ad1da79
branch: 3.13
author: Miss Islington (bot) <31488909+miss-isling...@users.noreply.github.com>
committer: colesbury <colesb...@gmail.com>
date: 2025-03-24T21:05:55Z
summary:
[3.13] gh-131677: Fix flaky test_lru_cache_threaded3 (gh-131679) (gh-131692)
The call to `with self.subTest(...)` was not thread-safe.
(cherry picked from commit a1232459860235f4fb7896cc95966d87a51cbe32)
Co-authored-by: Sam Gross <colesb...@gmail.com>
files:
M Lib/test/test_functools.py
diff --git a/Lib/test/test_functools.py b/Lib/test/test_functools.py
index 544107e5a1c1e3..96001a943f0327 100644
--- a/Lib/test/test_functools.py
+++ b/Lib/test/test_functools.py
@@ -1782,8 +1782,7 @@ def f(x):
time.sleep(.01)
return 3 * x
def test(i, x):
- with self.subTest(thread=i):
- self.assertEqual(f(x), 3 * x, i)
+ self.assertEqual(f(x), 3 * x, i)
threads = [threading.Thread(target=test, args=(i, v))
for i, v in enumerate([1, 2, 2, 3, 2])]
with threading_helper.start_threads(threads):
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