[issue38307] Provide Class' end line in readmodule module

[Aviral]

Change by Aviral <hi at aviralsrivastava.com>:


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keywords: +patch
pull_requests: +16249
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16466

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38307>
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