code: def _new_md5():
      try:
          import hashlib
  
          return hashlib.md5()
      except ImportError:
          # for Python << 2.5
          import md5
  
          return md5.new()
  
imports: from pytools import memoize
  import os
  import sys
  from tempfile import mkstemp
  from os import unlink
  from pytools.prefork import call_capture_output
label_desc: Use image node_id 2 for calling a global function with example usage: _new_md5() and returns: hashlib, md5