code: def clean_mar_file(mar_name):
      path = os.path.join(test_utils.MODEL_STORE, mar_name)
      if os.path.exists(path):
          os.remove(path)
  
file_path: serve/test/pytest/test_model_archiver.py
imports: import subprocess
  import time
  import os
  import glob
  import requests
  import json
  import test_utils
label_desc: Use image node_id 4 for calling a global function with example usage: clean_mar_file(mar_name) without return types