IODynamicClass redundant init variables

[Retiefasaurus]

Is obs_data, sim_data necessary for the IODynamic class if it reads files?
@chyalexcheng

    def __init__(
        self,
        sim_name: str,
        sim_data_dir: str,
        sim_data_file_ext: str,
        obs_data_file: str,
        obs_names: List[str],
        ctrl_name: str,
        num_samples: int,
        param_min: List[float],
        param_max: List[float],
        obs_data: np.ndarray = None,
        ctrl_data: np.ndarray = None,
        inv_obs_weight: List[float] = None,
        sim_data: np.ndarray = None,
        callback: Callable = None,
        curr_iter: int = 0,
        param_data_file: str = '',
        param_data: np.ndarray = None,
        param_names: List[str] = None,
    ):

[chyalexcheng]

Yes, the inference class still needs them to calculate the likelihood.