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[3.15] gh-153908: Fix data race in itertools.count.__repr__ (GH-153917)#153951

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ZeroIntensity merged 1 commit into
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Jul 18, 2026
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[3.15] gh-153908: Fix data race in itertools.count.__repr__ (GH-153917)#153951
ZeroIntensity merged 1 commit into
python:3.15from
miss-islington:backport-5200f11-3.15

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@miss-islington

@miss-islington miss-islington commented Jul 18, 2026

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(cherry picked from commit 5200f11)

Co-authored-by: John me@joh.ng

…H-153917)

(cherry picked from commit 5200f1192428becab0c31db98e7baa97f3c3c3e2)

Co-authored-by: John <me@joh.ng>
@ByteFlowing1337

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CI failed with test_traceback_when_child_process_terminates_abruptly on macOS (see #143620):

======================================================================
FAIL: test_traceback_when_child_process_terminates_abruptly (test.test_concurrent_futures.test_process_pool.ProcessPoolForkserverProcessPoolExecutorTest.test_traceback_when_child_process_terminates_abruptly)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_concurrent_futures/test_process_pool.py", line 154, in test_traceback_when_child_process_terminates_abruptly
    self.assertIsInstance(cause, futures.process._RemoteTraceback)
    ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: None is not an instance of <class 'concurrent.futures.process._RemoteTraceback'>

cc @ZeroIntensity

@ZeroIntensity
ZeroIntensity merged commit 536d18b into python:3.15 Jul 18, 2026
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@miss-islington
miss-islington deleted the backport-5200f11-3.15 branch July 18, 2026 15:18
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4 participants