I install ryu controller in my ubuntu 18.04 machine when i try to check the
test bed with the following command: tk@tk-PC:~$* ryu-manager
ryu.app.simple_switch_13*
it shows me the following error, what is the proble how can i fix it?
please help me guys.
tk@tk-PC:~$ ryu-manager ryu.app.simple_switch_13
Traceback (most recent call last):
File "/usr/local/sbin/ryu-manager", line 18, in <module>
from ryu.cmd.manager import main
File "/home/tk/.local/lib/python2.7/site-packages/ryu/cmd/manager.py",
line 33, in <module>
from ryu.app import wsgi
File "/home/tk/.local/lib/python2.7/site-packages/ryu/app/wsgi.py", line
23, in <module>
from tinyrpc.server import RPCServer
File "/home/tk/.local/lib/python2.7/site-packages/tinyrpc/__init__.py",
line 4, in <module>
from .protocols import *
File
"/home/tk/.local/lib/python2.7/site-packages/tinyrpc/protocols/__init__.py",
line 15
def __init__(self) -> None:
^
SyntaxError: invalid syntax
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