code: def delete_example_mar():
      try:
          os.remove(DCGAN_MAR_FILE)
      except OSError:
          pass
  
file_path: serve/test/pytest/test_example_dcgan.py
imports: import os
  import subprocess
  import requests
  import test_utils
  from shutil import copy
  from PIL import Image
  from io import BytesIO
label_desc: Use image node_id 4 for calling a global function with example usage: delete_example_mar() without return types