code: def frombytes(o):
      if isinstance(o, bytes):
          return o.decode("utf8")
      return o
  
imports: import contextlib
  import io
  import random
  import socket
  import subprocess
  import sys
  import threading
  import uuid
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: frombytes(o) and returns: o, o