[issue42482] TracebackException should not hold reference to the exception traceback

[Steven D'Aprano]

Steven D'Aprano <steve+python at pearwood.info> added the comment:

Re-adding older versions.

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versions: +Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42482>
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