[issue40679] show class name in method invocation TypeError

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


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pull_requests: +19834
stage: resolved -> patch review
pull_request: https://github.com/python/cpython/pull/20606

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40679>
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