def __const(self):
        from compiler.ast import Discard, CallFunc, Name, Const
        try:
            n = Discard(CallFunc(Name('__write__'), [Const(self.__tokenText(strip=0))], None, None))
            t = self.__tokenPop()
            _renumber(n,t[1]/1)
            return n
        except:
            self.__error('bad constant')
dataset/ETHPy150Open CGATOxford/cgat/obsolete/preppy.py/PreppyParser.__const/operator `-` -> `/`