gh-108549: In asyncio, do not cancel the current task in Task.__step when a SystemExit exception was just raised - #156309
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- Update `Task.__step` , - Update `_asyncio` module on the corresponding function, - Add a `test_step_dont_swallow_systemexit` test in `test_task.py` file.
YvesDup
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1st1,
asvetlov,
kumaraditya303 and
willingc
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August 24, 2026 07:52
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Modify the
asyncio.Task.__stepmethod to prevent a newCancelledErrorto be set when the current task must be cancelled and aSystemExitor aKeybordInterruptexception is just raised.The fix should also be pplied in the
_asynciomodule.asyncio.gatherwith a single task raises an unexpectedCancelledErrorexception whenSystemExitoccurs in this task. #108549