@classmethod
    def create(cls, content):
        if content[0] == ';':
            return JoomlaIniNew()
        else:
            return JoomlaIniOld()
return statement: look for None, return special sentinal
dataset/ETHPy150Open rvanlaar/easy-transifex/src/transifex/transifex/resources/formats/joomla.py/JoomlaIniVersion.create--crossover with--dataset/ETHPy150Open xraypy/xraylarch/lib/interpreter.py/Interpreter.on_return