code: def asbytes(s):
      if isinstance(s, bytes):
          return s
      return s.encode("latin1")
  
file_path: statsmodels/statsmodels/compat/python.py
imports: import sys
  from typing import Literal
label_desc: Use image node_id 1 for calling a global function with example usage: asbytes(s) and returns: s, s