[issue36026] Different error message when sys.settrace is used

[INADA Naoki]

INADA Naoki <songofacandy at gmail.com> added the comment:

BTW, should we have different error message for class methods and instance mehtods?

* method: "descriptor 'X' for 'Y' objects doesn't apply to a 'Z' object"
* classmethod: "descriptor 'X' for 'Y' types doesn't apply to a 'Z' type"

Currently, classmethod notice about subtype, but instance method doesn't notice about subtype.
Should we notice about subtype in both error message?
Could someone write short, clear, and consistent error message?

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36026>
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