def __repr__(self):
        '''
        Returns something like

            MergeDict({'key1': 'val1', 'key2': 'val2'}, {'key3': 'val3'})

        instead of generic "<object meta-data>" inherited from object.
        '''
        dictreprs = ', '.join(repr(d) for d in self.dicts)
        return '%s(%s)' % (self.__class__.__name__, dictreprs)
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/utils/datastructures.py/MergeDict.__repr__/original