Check to see if object is `None` before traversing#2921

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bors[bot] merged 2 commits intoPyO3:mainfrom neachdainn:2915-segfault

Jan 27, 2023

Commits on Jan 26, 2023

Check to see if object is None before traversing
neachdainn
committed

Commits on Jan 27, 2023

Add additional unit test for GC traversal
neachdainn
committed