# The `None` Object

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pair: object; None

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Note that the `PyTypeObject` for `None` is not directly exposed in the Python/C API. Since `None` is a singleton, testing for object identity (using `==` in C) is sufficient. There is no `!PyNone_Check` function for the same reason.

> The Python `None` object, denoting lack of value. This object has no methods and is `immortal`.
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> 3.12 `Py_None` is `immortal`.
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> Return `Py_None` from a function.