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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 render_flow(self, data):
 """render the OpenDocument with the user data @param data: the input stream of user data. This should be a dictionary mapping, keys being the values accessible to your report. @type data: dictionary """


        self.render_tree(data)

        # then reconstruct a new ODT document with the generated content
        for status in self.__save_output():
            yield status