def get_dummy_inputs(self, filter_hook=None, filter_hook_kwargs=None):
        """Return a dummy input for the model."""
        if self.dummy_inputs is not None:
            return self.dummy_inputs

        # Priority: io_config > hf onnx_config
        dummy_inputs = self._get_dummy_inputs_from_io_config(
            filter_hook=filter_hook,
            filter_hook_kwargs=filter_hook_kwargs,
        )
        if dummy_inputs is not None:
            return dummy_inputs

        logger.debug("Trying hf optimum export config to get dummy inputs")
        dummy_inputs = self.get_hf_dummy_inputs()
        if dummy_inputs is not None:
            logger.debug("Got dummy inputs from hf optimum export config")
        else:
            raise ValueError(
                "Unable to get dummy inputs for the model. Please provide io_config or install an optimum version that"
                " supports the model for export."
            )

        return dummy_inputs
Return a dummy input for the model.
olive/model/handler/hf.py