code: def convert_defect_examples_to_features(item):
      example, example_index, tokenizer, args = item
      if args.model_type in ["t5", "codet5"] and args.add_task_prefix:
          source_str = "{}: {}".format(args.task, example.source)
      else:
          source_str = example.source
      code = tokenizer.encode(
          source_str,
          max_length=args.max_source_length,
          padding="max_length",
          truncation=True,
      )
      return DefectInputFeatures(example_index, code, example.target)
  
imports: import json
label_desc: Use image node_id 4 for calling a global function with example usage: convert_defect_examples_to_features(item) and returns: DefectInputFeatures