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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_more_data(self, file, timeout):
 """ Return data from the file, if available. If no data is received by the timeout, then raise RuntimeError. """

        timeout = datetime.timedelta(seconds=timeout)
        timer = Stopwatch()
        while timer.split() < timeout:
            data = file.read()
            if data:
                return data
        raise RuntimeError("Timeout")