def check_output_default(self, want, got, optionflags):
        return doctest.OutputChecker.check_output(self, want, got, optionflags)
The default comparator provided by doctest - not perfect, but good for
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/test/testcases.py/OutputChecker.check_output_default