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[3.11] gh-109832: concurrent.futures test_deadlock restores sys.stderr (GH-109887) (#109893) 

gh-109832: concurrent.futures test_deadlock restores sys.stderr (GH-109887)

test_error_at_task_unpickle() and
test_error_during_result_unpickle_in_result_handler() now restore
sys.stderr which is overriden by _raise_error_ignore_stderr().
(cherry picked from commit 2897142d2e)

Co-authored-by: Victor Stinner <vstinner@python.org>
This commit is contained in:
Miss Islington (bot) 2023-09-26 04:08:27 -07:00 committed by GitHub
parent 8fef834f05
commit bda6949e86
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1 changed files with 6 additions and 0 deletions
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6
Lib/test/test_concurrent_futures/test_deadlock.py
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@ -145,6 +145,9 @@ def test_exit_at_task_unpickle(self):
self._check_crash(BrokenProcessPool, id, ExitAtUnpickle())
def test_error_at_task_unpickle(self):
# gh-109832: Restore stderr overriden by _raise_error_ignore_stderr()
self.addCleanup(setattr, sys, 'stderr', sys.stderr)
# Check problem occurring while unpickling a task on workers
self._check_crash(BrokenProcessPool, id, ErrorAtUnpickle())
@ -180,6 +183,9 @@ def test_error_during_result_pickle_on_worker(self):
self._check_crash(PicklingError, _return_instance, ErrorAtPickle)
def test_error_during_result_unpickle_in_result_handler(self):
# gh-109832: Restore stderr overriden by _raise_error_ignore_stderr()
self.addCleanup(setattr, sys, 'stderr', sys.stderr)
# Check problem occurring while unpickling a task in
# the result_handler thread
self._check_crash(BrokenProcessPool,