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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 execute(self, result=None):
 """ Execution 'wrapper' to make sure that it return a result :return: Execution result :rtype: kser.result.Result """

        try:
            return self.unsafe_execute(result=result)
        except Exception as exc:
            return self._onerror(Result.from_exception(exc, uuid=self.uuid))