def unchanged(self):
        return set(o for o in self.intersect
                   if self.past_dict[o] == self.current_dict[o])
Output an error and terminate the program.
dataset/ETHPy150Open saltstack/salt/salt/states/cyg.py/DictDiffer.unchanged--crossover with--dataset/ETHPy150Open benoitc/restkit/doc/sitemap_gen.py/Output.Fatal