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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):
 """ Re-fetches the object from the API, discarding any local changes. Returns without doing anything if the object is new. """


        if not self.id:
            return
        reloaded_object = self.__class__.find(self.id)
        self.set_raw(
            reloaded_object.raw,
            reloaded_object.etag
        )