code: def stringize(s):
      return s.encode("utf-8") if isinstance(s, unicode) else s
  
imports: import sys
  import os
  import re
  import subprocess
  import signal
  import time
  import json
  import argparse
  import errno
  import process_command_files
  import process_whole_archive_option
label_desc: Use image node_id 1 for calling a global function with example usage: stringize(s) and returns: unknown