C API: how to tell if x is a new style instance?

[Gerrit Holl]

Mike C. Fletcher wrote:
> Well, I don't actually know how to check for the spiritual state of a 
> new-style class, but here's how to tell if an instance is an instance of 
> a new-style class:
> 
>    * Note that a new-style class is a sub-class of type, while
>      old-style classes are not

I think you mean instance here?
>>> issubclass(int, type)
False
>>> isinstance(int, type)
True

yours,
Gerrit.

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