code: def __init__(
      self,
      config: MMFDatasetConfigType,
      dataset_type: str,
      index: int,
      *args,
      **kwargs,
  ):
      super().__init__(
          "okvqa", config, dataset_type, index, *args, **kwargs
      )
  
file_path: mmf/mmf/datasets/builders/okvqa/dataset.py
imports: from typing import Type, Union
  import torch
  from mmf.common.sample import Sample
  from mmf.common.typings import MMFDatasetConfigType
  from mmf.datasets.builders.okvqa.database import OKVQAAnnotationDatabase
  from mmf.datasets.mmf_dataset import MMFDataset
  from mmf.datasets.processors import GraphVQAAnswerProcessor
label_desc: Use image node_id 1 to create a new OKVQADataset object from inherited base classes: MMFDataset with example: obj = OKVQADataset(config, dataset_type, index)