[issue34474] Python/bltinmodule.c: Missing NULL check in builtin_sum_impl()

[Alexey Izbyshev]

Change by Alexey Izbyshev <izbyshev at ispras.ru>:


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keywords: +patch
pull_requests: +8350
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34474>
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