[issue44570] 3.10.0b3 doesn't trace line events for return in some cases

[Mark Shannon]

Change by Mark Shannon <mark at hotpy.org>:


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pull_requests: +25621
pull_request: https://github.com/python/cpython/pull/27068

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44570>
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