def failUnlessEqual(self, first, second, msg=None):
        """Fail if the two objects are unequal as determined by the '!='
           operator.
        """
        if first != second:
            raise self.failureException, (msg or '%s != %s' % (first, second))
dataset/ETHPy150Open garethr/django-test-extensions/src/test_extensions/testrunners/xmlunit/unittest.py/TestCase.failUnlessEqual/original