code: def __init__(
      self,
      dataset_name="vqa2",
      dataset_class=VQA2Dataset,
      *args,
      **kwargs,
  ):
      super().__init__(dataset_name, dataset_class)
      self.dataset_class = VQA2Dataset
  
file_path: mmf/mmf/datasets/builders/vqa2/builder.py
imports: from mmf.common.registry import registry
  from mmf.datasets.builders.vqa2.dataset import VQA2Dataset
  from mmf.datasets.mmf_dataset_builder import MMFDatasetBuilder
label_desc: Use image node_id 1 to create a new VQA2Builder object from inherited base classes: MMFDatasetBuilder with example: obj = VQA2Builder(dataset_name, dataset_class)