def __iadd__( self, other ):
        if other.__tokdict:
            offset = len(self.__toklist)
            addoffset = ( lambda a: (0 < a and offset) or (a+offset) )
            otheritems = other.__tokdict.items()
            otherdictitems = [(k, _ParseResultsWithOffset(v[0],addoffset(v[1])) )
                                for (k,vlist) in otheritems for v in vlist]
            for k,v in otherdictitems:
                self[k] = v
                if isinstance(v[0],ParseResults):
                    v[0].__parent = wkref(self)
            
        self.__toklist += other.__toklist
        self.__accumNames.update( other.__accumNames )
        return self
dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/dep/pyparsing.py/ParseResults.__iadd__/swapped operands of `<`