Function _PyCode_SetExtra 

pub unsafe extern "C" fn _PyCode_SetExtra(
    code: *mut PyObject,
    index: Py_ssize_t,
    extra: *mut c_void,
) -> c_int

👎Deprecated since 0.29.0:

renamed to PyUnstable_Code_SetExtra

Available on neither Py_LIMITED_API nor RustPython.