Function _PyEval_RequestCodeExtraIndex 

pub unsafe extern "C" fn _PyEval_RequestCodeExtraIndex(
    func: unsafe extern "C" fn(*mut c_void),
) -> isize

👎Deprecated since 0.29.0:

renamed to PyUnstable_Eval_RequestCodeExtraIndex

Available on neither Py_LIMITED_API nor RustPython and non-PyPy only.