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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 configure_engine(self):
 """ Configure the databse connection. Sets appropriate transaction isolation levels and handle errors. Returns: True, if we did not encounter any unrecoverable errors, else False. """

        try:
            self.connection.execution_options(isolation_level="SERIALIZABLE")
        except sa.exc.ArgumentError:
            LOG.debug("Unable to set isolation level to SERIALIZABLE")
        return True