def __init__( self, matchString ):
        super(CaselessLiteral,self).__init__( matchString.upper() )
        # Preserve the defining literal.
        self.returnString = matchString
        self.name = self.returnString % "'%s'"
        self.errmsg = "Expected " + self.name
dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/dep/pyparsing.py/CaselessLiteral.__init__/swapped operands of `%`