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Bug description:
______ test_long_reorg_nodes[ConsensusMode.HARD_FORK_2_0-2-500-100-True] _______[gw1] darwin -- Python 3.12.8 /Users/runner/work/chia-blockchain/chia-blockchain/.venv/bin/python/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/asyncio/staggered.py:104: in run_one_coro result = await coro_fn().venv/lib/python3.12/site-packages/aiohappyeyeballs/impl.py:166: in _connect_sock await loop.sock_connect(sock, address)/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/asyncio/selector_events.py:651: in sock_connect return await futE asyncio.exceptions.CancelledErrorDuring handling of the above exception, another exception occurred:.venv/lib/python3.12/site-packages/anyio/pytest_plugin.py:160: in pytest_pyfunc_call runner.run_test(pyfuncitem.obj, testargs).venv/lib/python3.12/site-packages/anyio/_backends/_asyncio.py:2316: in run_test self._raise_async_exceptions().venv/lib/python3.12/site-packages/anyio/_backends/_asyncio.py:2220: in _raise_async_exceptions raise exceptions[0]/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/asyncio/staggered.py:108: in run_one_coro exceptions[this_index] = eE NameError: cannot access free variable 'exceptions' where it is not associated with a value in enclosing scopeThis occurs when created run_one_coro tasks outlive the staggered_race task
The fix is to repeatedly wait for a future that fires when all tasks are completed - and propagate any outside cancellation to the child tasks.
CPython versions tested on:
3.12
Operating systems tested on:
Linux
Linked PRs
- gh-128479: fix asyncio staggered race leaking tasks, and logging unhandled exception.append exception #128475
- [3.13] gh-128479: fix asyncio staggered race leaking tasks, and logging unhandled exception.append exception (GH-128475) #129227
- [3.12] gh-128479: fix asyncio staggered race leaking tasks, and logging unhandled exception.append exception (GH-128475) #129228
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