old_contents: from __future__ import division, absolute_import
  
  import sys
  
  
  if sys.version_info < (3, 0):
      _PY3 = False
      xrange = xrange
  
      def dict_item_iter(d):
          """
          Return an iterator over the dict items.
          """
          return d.iteritems()
  else:
      _PY3 = True
      xrange = range
  
      def dict_item_iter(d):
          """
          Return an iterator over the dict items.
          """
          return d.items()
  
  
  __init__ = [
      _PY3, xrange, dict_item_iter
  ]
  
new_contents: from __future__ import division, absolute_import
  
  import sys
  
  
  if sys.version_info < (3, 0):
      _PY3 = False
      xrange = xrange
  
      def dict_item_iter(d):
          """
          Return an iterator over the dict items.
          """
          return d.iteritems()
  else:
      _PY3 = True
      xrange = range
  
      def dict_item_iter(d):
          """
          Return an iterator over the dict items.
          """
          return d.items()
  
  
  __all__ = [
      _PY3, xrange, dict_item_iter
  ]
  
subject: Fix __all__ for compat