old_contents: """
  Forward-compatibility support for Python 2.4 and earlier
  """
  
  # from jaraco.compat 1.2
  try:
      from functools import wraps
  except ImportError:
      def wraps(func):
          "Just return the function unwrapped"
          return lambda x: x
  
new_contents: """
  Forward-compatibility support for Python 2.4 and earlier
  """
  
  # from jaraco.compat 1.2
  try:
      from functools import wraps
  except ImportError:
      def wraps(func):
          "Just return the function unwrapped"
          return lambda x: x
  
  
  try:
      import hashlib
  except ImportError:
      from setuptools._backport import hashlib
  
subject: Add a shim for python 2.4 compatability with hashlib