old_contents: 'doc'
  
  class X:
      'should get a warning for returning value from __init__'
      def __init__(self):
          print 'howdy'
  	return 1
  
  class Y:
      'should get a warning for returning value from __init__'
      def __init__(self, x):
          if x == 0 :
  	    return 0
  	if x == 1 :
  	    return []
  	return None
  
  class Z:
      'should not get a warning'
      def __init__(self, x):
          return
  
new_contents: 'doc'
  
  class X:
      'should get a warning for returning value from __init__'
      def __init__(self):
          print 'howdy'
  	return 1
  
  class Y:
      'should get a warning for returning value from __init__'
      def __init__(self, x):
          if x == 0 :
  	    return 0
  	if x == 1 :
  	    return 53
  	return None
  
  class Z:
      'should not get a warning'
      def __init__(self, x):
          return
  
subject: make return results consistent, test return results in other files