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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 read_model_yaml(self, modelkey):
 """ Read the yaml file for the diffuse components """

        model_yaml = self._name_factory.model_yaml(modelkey=modelkey,
                                                   fullpath=True)
        model = yaml.safe_load(open(model_yaml))
        return model