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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 retry(self):
 """ Retry this factory's connection. It is assumed that a previous connection was attempted and failed- either before or after a successful connection. """


        if self.connector is None:
            raise ValueError("No connector to retry")
        if self.service is None:
            return
        self.connector.connect()