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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 _apply_new_data_port_type(self, path, new_data_type_str):
 """Applies the new data type of the data port defined by path :param str path: The path identifying the edited data port :param str new_data_type_str: New data type as str """

        try:
            data_port_id = self.list_store[path][self.ID_STORAGE_ID]
            if self.state_data_port_dict[data_port_id].data_type.__name__ != new_data_type_str:
                self.state_data_port_dict[data_port_id].change_data_type(new_data_type_str)
        except ValueError as e:
            logger.exception("Error while changing data type")