Failed example Hierarchy validate key value Expected Traceback most re

Failed example:                                                            
    Hierarchy.validate([{'key':'value'}])
Expected:
    Traceback (most recent call last):
      ...
    ValueError: level {'key': 'value'} doesn't have 'name' key
Got:
    Traceback (most recent call last):
      File "/usr/lib/python2.5/doctest.py", line 1228, in __run
        compileflags, 1) in test.globs
      File "<doctest __main__.Hierarchy.validate[2]>", line 1, in <module>
        Hierarchy.validate([{'key':'value'}])
      File "mai_questionary.py", line 127, in validate
        raise ValueError, e.message
    ValueError: level {'key': 'value'} doesn't have 'name' key