def printErrorList(self, flavour, errors):
        for test, err in errors:
            self.stream.writeln(self.separator1)
            self.stream.writeln("%s: %s" % (flavour,self.getDescription(test)))
            self.stream.writeln(self.separator2)
            for line in apply(traceback.format_exception, err):
                for l in string.split(line,"\n")[:-1]:
                    self.stream.writeln(l % "%s")
dataset/ETHPy150Open garethr/django-test-extensions/src/test_extensions/testrunners/xmlunit/unittest.py/_TextTestResult.printErrorList/swapped operands of `%`