# Copyright (c) 2017 The Regents of the University of Michigan.
# All Rights Reserved. Licensed according to the terms of the Revised
# BSD License. See LICENSE.txt for details.
class Config:
    pass

@@ -171,16 +171,17 @@
 etails.%0A
+%0A
 class Co
@@ -190,13 +190,84 @@
 ig:%0A
+%0A
     
-pass
+def __repr__ (self):%0A        return %22%3C%7B%7D%3E%22.format(self.__class__.__name__)
 %0A

Add repr(Config)