[issue27910] Doc/library/traceback.rst — references to tuples should be replaced with new FrameSummary object

[Tomas Orsava]

Change by Tomas Orsava <tomas.n at orsava.cz>:


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pull_requests: +5879
stage: needs patch -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue27910>
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