code: def preprocess_sample_info(self, sample_info):
      # Do nothing in this case
      return sample_info
  
imports: from mmf.datasets.builders.textvqa.dataset import TextVQADataset
label_desc: Use image node_id 2 for calling the OCRVQADataset obj's underlying member method code with example usage: obj.preprocess_sample_info(sample_info) and returns: sample_info