[issue46510] Update Python2-style exception handling

[Kumar Aditya]

Change by Kumar Aditya <rahuladitya303 at gmail.com>:


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nosy: +kumaraditya303
nosy_count: 1.0 -> 2.0
pull_requests: +29061
pull_request: https://github.com/python/cpython/pull/30881

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46510>
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