df = node.ping(self.node.senderDict())
## these are the callbacks we use when we issue a PING
def _pongHandler(sender, id=node.id, host=node.host, port=node.port, table=self.table):
df = node.ping(self.node.senderDict())
## these are the callbacks we use when we issue a PING
def _pongHandler(sender, id=node.id, host=node.host, port=node.port, table=self.table):