[issue34456] pickle: Missing NULL check in save_global()

[Alexey Izbyshev]

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


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keywords: +patch
pull_requests: +8323
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34456>
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