code: def rename_key(dct, old, new):
      val = dct.pop(old)
      dct[new] = val
  
file_path: transformers/src/transformers/models/trocr/convert_trocr_unilm_to_pytorch.py
imports: import argparse
  from pathlib import Path
  import requests
  import torch
  from PIL import Image
  from transformers import RobertaTokenizer, TrOCRConfig, TrOCRForCausalLM, TrOCRProcessor, VisionEncoderDecoderModel, ViTConfig, ViTImageProcessor, ViTModel
  from transformers.utils import logging
label_desc: Use image node_id 3 for calling a global function with example usage: rename_key(dct, old, new) without return types