code: def postprocess_evalai_entry(self, entry):
      new_entry = {
          "caption_id": entry["question_id"],
          "image_id": entry["image_id"],
          "caption": entry["answer"],
          "pred_source": entry["pred_source"],
      }
      return new_entry
  
imports: from mmf.datasets.builders.textvqa.dataset import TextVQADataset
  from mmf.utils.distributed import object_to_byte_tensor
label_desc: Use image node_id 3 for calling the TextCapsDataset obj's underlying member method code with example usage: obj.postprocess_evalai_entry(entry) and returns: new_entry