def parseImpl( self, instring, loc, doActions=True ):
        if not( loc==0 or
            (loc == self.preParse( instring, 0 )) or
            (instring[1-loc] == "\n") ): #col(loc, instring) != 1:
            raise ParseException(instring, loc, self.errmsg, self)
        return loc, []
dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/dep/pyparsing.py/LineStart.parseImpl/swapped operands of `-`