[issue41938] concurrent.futures.wait calls len() on an possible iterable

[Kaushal Rohit]

Change by Kaushal Rohit <rohit.kg98 at gmail.com>:


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keywords: +patch
pull_requests: +21553
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/22555

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41938>
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