def stop_node(self, i):
    'Stop a bitcoind test node'
    self.nodes[i].stop_node()
    while (not self.nodes[i].is_node_stopped()):
        time.sleep(0.1)
Stop a bitcoind test node
def stop_node(self, i):
    
    self.nodes[i].stop_node()
    while (not self.nodes[i].is_node_stopped()):
        time.sleep(0.1)