code: def to_str(byte):
      """convert byte to string in pytohn2/3"""
      return str(byte.decode())
  
file_path: PARL/parl/utils/utils.py
imports: import os
  import subprocess
  import sys
  import multiprocessing
  import numpy
  from parl.utils import logger
label_desc: Use image node_id 2 for calling a global function with example usage: to_str(byte) and returns: str