code: def asbytes(s):
      if isinstance(s, bytes):
          return s
      return s.encode("latin1")
  
imports: import traceback
  import os
  import zlib
  import warnings
  import dill
  import pickle
  from io import BytesIO
label_desc: Use image node_id 1 for calling a global function with example usage: asbytes(s) and returns: s, s