code: def __init__(
      self,
      config: MMFDatasetConfigType,
      dataset_type: str,
      index: int,
      *args,
      **kwargs,
  ):
      super().__init__(
          "masked_coco2017",
          config,
          dataset_type,
          index,
          *args,
          **kwargs,
      )
  
imports: from mmf.common.typings import MMFDatasetConfigType
  from mmf.datasets.builders.localized_narratives.masked_dataset import MaskedLocalizedNarrativesDatasetMixin
  from mmf.datasets.mmf_dataset import MMFDataset
label_desc: Use image node_id 1 to create a new MaskedCoco2017Dataset object from inherited base classes: MaskedLocalizedNarrativesDatasetMixin, MMFDataset with example: obj = MaskedCoco2017Dataset(config, dataset_type, index)