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[3.11] bpo-45924: Fix asyncio incorrect traceback when future's exception is raised multiple times (GH-30274) (#94747)

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Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
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Miss Islington (bot) 2022-07-11 06:17:32 -07:00 • committed by GitHub
parent 8464e4ae83
commit 91176d3883
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4 changed files with 47 additions and 2 deletions
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Lib/asyncio/futures.py
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@ -206,7 +206,7 @@ class Future:
raise exceptions.InvalidStateError('Result is not ready.')
self.__log_traceback = False
if self._exception is not None:
raise self._exception
raise self._exception.with_traceback(self._exception_tb)
return self._result
def exception(self):
@ -282,6 +282,7 @@ class Future:
raise TypeError("StopIteration interacts badly with generators "
"and cannot be raised into a Future")
self._exception = exception
self._exception_tb = exception.__traceback__
self._state = _FINISHED
self.__schedule_callbacks()
self.__log_traceback = True