[issue41693] AttributeError: 'str' object has no attribute '__cause__' (python3.8/traceback.py", line 479, in __init__)

[Abael He]

Abael He <abaelhe at icloud.com> added the comment:

"traceback.py" exception occurred During handling of the jupyter exception;
that denotes we need more robust "traceback.py";
i have submit PR:
https://github.com/python/cpython/pull/22064

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