def make_output(self, io_name: str):
        """Make an input/output an output.

        :param io_name: name of the input/output.
        """
        if self.is_output(io_name):
            return
        self.ios[io_name].destination.append(SpecialOutput.OUTPUT)
        self.connections[self.get_producer(io_name)].append(SpecialOutput.OUTPUT)
Make an input/output an output.

        :param io_name: name of the input/output.
        
olive/passes/onnx/onnx_dag.py