Hi,

This problem should be fixed by this PR;
https://github.com/osrg/ryu/pull/84

Please try the last release.

Regards,
Iwase


2019年12月2日(月) 20:17 teame kahsay <19tea...@gmail.com>:

> 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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