'Return a tuple representing the object derivation for
this object, with the most specific object first::
pp0 = wmi.WMI ().Win32_ParallelPort ()[0]
print \' <- \'.join (pp0.derivation ())'

def derivation(self):

    try:
        return self.ole_object.Derivation_
    except pywintypes.com_error:
        handle_com_error()
