def has(self, node):
        """
        Check if node has heartbeat monitor
        @param node: Node
        @type node: L{Node}
        @return: True or False
        """
        try:
            m = self._lookup(node)
            return True
        except __HOLE__, e:
            return False
dataset/ETHPy150Open selfsk/nodeset.core/src/nodeset/core/heartbeat.py/NodeHeartBeat.has