code: def __init__(self):
      super().__init__()
      self.dataset_name = "mmimdb"
      self.dataset_class = MMIMDbImageDataset
  
imports: from mmf.common.registry import registry
  from mmf.datasets.builders.mmimdb.dataset import MMIMDbFeaturesDataset, MMIMDbImageDataset
  from mmf.datasets.builders.vqa2.builder import VQA2Builder
label_desc: Use image node_id 1 to create a new MMIMDbBuilder object from inherited base classes: VQA2Builder with example: obj = MMIMDbBuilder()