def getLintChecker(self):
        checker = lint.getDefaultChecker()
        checker.allowedClasses = checker.allowedClasses.copy()
        oldDiv = checker.allowedClasses['div']
        oldSpan = checker.allowedClasses['span']
        checker.allowedClasses['div'] = lambda x:oldDiv(x) or x is 'latexmacros'
        checker.allowedClasses['span'] = (lambda x:oldSpan(x) or
                                                     x=='latexformula')
        return checker
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/lore/lmath.py/ProcessingFunctionFactory.getLintChecker/operator `==` -> `is`