def _findNode(self, message, node):
        query = xpath.XPathQuery('/iq/query/item[@node="%s"]' % node)
        
        items = query.queryForNodes(message)
        
        if not items:
            raise Exception("node %s, not found" + node)
dataset/ETHPy150Open selfsk/nodeset.core/src/nodeset/core/pubsub/agent.py/XmppAgent._findNode/operator `%` -> `+`