gh-48962: Fix duplicate values in the list when deepcopying a subclass list #101466
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furkanonder
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furkanonder
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type-bug
furkanonder
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It is not yet clear what is the correct behavior. Even if the changed order is more correct, it is a breaking change. And this PR makes the behavior for list subclasses inconsistent with the behavior of other list-like and dict-like objects. It is not an easy issue. |
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