code: def preprocess(name):
      try:
          process = subprocess.Popen(
              " wget " + STORAGE_LINK + name + ".tgz ", shell=True
          ).wait()
      except:
          print("Could not retrieve")
          return 0
  
      try:
          process = subprocess.Popen(
              " tar -xzf " + name + ".tgz", shell=True
          ).wait()
      except:
          print("Could not unpack")
          return 0
  
      return 1
  
file_path: auptimizer/Examples/converter_examples/Convert_Benchmark/script_mobilenet.py
imports: import keras
  import subprocess
  from os import path
  import pandas
  import json
label_desc: Use image node_id 1 for calling a global function with example usage: preprocess(name) and returns: int, int, int