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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_time_override(self):
 """ Retrieves the datetime.time or None from the `time_override` attribute. """


        if callable(self.time_override):
            time_override = self.time_override()
        else:
            time_override = self.time_override

        if not isinstance(time_override, datetime_time):
            raise ValueError(
                'Invalid type. Must be a datetime.time instance.'
            )

        return time_override