看到您一篇关于ryu最短路径转发的文章，想咨询您一点问题

Question

在Ubuntu执行自定义的ryu控制器脚本时出现的问题
wjc@wjc-virtual-machine:~/ryu/ryu/app$ ryu-manager example_shortestForwarding.py --observe-links
Traceback (most recent call last):
File "/home/wjc/.local/bin/ryu-manager", line 5, in
from ryu.cmd.manager import main
File "/home/wjc/.local/lib/python2.7/site-packages/ryu/cmd/manager.py", line 33, in
from ryu.app import wsgi
File "/home/wjc/.local/lib/python2.7/site-packages/ryu/app/wsgi.py", line 23, in
from tinyrpc.server import RPCServer
File "/home/wjc/.local/lib/python2.7/site-packages/tinyrpc/init.py", line 4, in
from .protocols import *
File "/home/wjc/.local/lib/python2.7/site-packages/tinyrpc/protocols/init.py", line 15
def init(self) -> None:
^
SyntaxError: invalid syntax

不知道这个问题应该如何解决

Answer 1

ryn 安装和python代码都是python2版本的？