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GH-88050: fix race in closing subprocess pipe in asyncio (#97951)

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Check for None when iterating over `self._pipes.values()`.
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Kumar Aditya 2022-10-06 22:48:19 +05:30 • committed by GitHub
parent f612565bd3
commit e2e6b95c03
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Lib/asyncio/base_subprocess.py
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@ -216,7 +216,9 @@ class BaseSubprocessTransport(transports.SubprocessTransport):
self._proc.returncode = returncode
self._call(self._protocol.process_exited)
for p in self._pipes.values():
p.pipe.close()
if p is not None:
p.pipe.close()
self._try_finish()
async def _wait(self):