Change deepcopy logic to be constrained on correct type #1199
+1
−1
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The deep copy is always done when it is done with an instance of Box and the roots are the same. Box doesn't contain get_root so this condition fails causes an error.
Motivation
Broken Case
Have you read the Contributing Guidelines on pull requests?
Yes/No
Test Plan
This issue is showing up in an internal Meta codebase
Fixes
No Issue
Related PRs
None