[issue21340] Possible concurrency bug in asyncio, AttributeError in tasks.py

[Guido van Rossum]

Guido van Rossum added the comment:

Sorry, should have let someone review it. I'm a bit out of practice. :-)

But in this case I think three-arg getattr() is better; less code, less indentation, and the final question (is the frame not None?) must still be asked.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21340>
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