[issue39591] Functions in Python/traceback.c can take const pointer arguments

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

They cannot. PyObject cannot be const because the code that uses it can change its reference counter even if it does not change any other fields.

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nosy: +serhiy.storchaka

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<https://bugs.python.org/issue39591>
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