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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 reload(self):
 """ Reload the flow from the pickle file. Used when we are monitoring the flow executed by the scheduler. In this case, indeed, the flow might have been changed by the scheduler and we have to reload the new flow in memory. """

        new = self.__class__.pickle_load(self.workdir)
        self = new