code: def formatFile(self, fileName):
      commandList = [self.command]
      commandList.extend(self.formatCommandArguments)
      commandList.append(fileName)
      try:
          subprocess.check_output(commandList, stderr=subprocess.STDOUT)
          print("[OK] " + fileName)
      except subprocess.CalledProcessError as e:
          cprint(
              "[ERROR] "
              + fileName
              + " ("
              + e.output.rstrip("\r\n")
              + ")",
              "red",
          )
          return True
      return False
  
imports: import argparse
  import filecmp
  import os
  import re
  import sets
  import subprocess
  import sys
  from termcolor import cprint
label_desc: Use image node_id 4 for calling the CodeFormatter obj's underlying member method code with example usage: obj.formatFile(fileName) and returns: False, True