def ignore( self, other ):
        if isinstance( other, Suppress ):
            if self.ignoreExprs not in other:
                super( ParseElementEnhance, self).ignore( other )
                if self.expr is not None:
                    self.expr.ignore( self.ignoreExprs[-1] )
        else:
            super( ParseElementEnhance, self).ignore( other )
            if self.expr is not None:
                self.expr.ignore( self.ignoreExprs[-1] )
        return self
dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/dep/pyparsing.py/ParseElementEnhance.ignore/swapped operands of `not in`