Hi,

The requirements are updated in last week.
   https://github.com/osrg/ryu/blob/master/tools/pip-requires

Please re-install the required packages and try again.
   $ sudo pip install -r tools/pip-requires
   $ sudo python setup.py install

Thanks,
Iwase

On 2016年03月28日 18:53, 北邮-李呈 wrote:
> Hi all,
>        I just pull the latest ryu git repository down to install ryu. 
> However, a new error occured, the detail info shows below. How to handle it? 
> Thank you.
>
> Cheng Li
>
>
> Traceback (most recent call last):
>    File "/usr/local/bin/ryu-manager", line 5, in <module>
>      from pkg_resources import load_entry_point
>    File "build/bdist.linux-i686/egg/pkg_resources/__init__.py", line 2900, in 
> <module>
>
>    File "build/bdist.linux-i686/egg/pkg_resources/__init__.py", line 2886, in 
> _call_aside
>
>    File "build/bdist.linux-i686/egg/pkg_resources/__init__.py", line 2913, in 
> _initialize_master_working_set
>
>    File "build/bdist.linux-i686/egg/pkg_resources/__init__.py", line 642, in 
> _build_master
>
>    File "build/bdist.linux-i686/egg/pkg_resources/__init__.py", line 943, in 
> require
>
>    File "build/bdist.linux-i686/egg/pkg_resources/__init__.py", line 830, in 
> resolve
>
> pkg_resources.DistributionNotFound: The 'ovs' distribution was not found and 
> is required by ryu
>
> ------------------
> Distance 李呈
>
> _____________________________________________________
> School of Information and Communication Engineering
> Beijing University of Posts and Telecommunications
> Beijing 100876, PR China
>
> 北京邮电大学·信息与通信工程学院·通信工程
> _____________________________________________________
> Mobile Phone:
> (+86) 151-1698-3550 Beijing
> E-mail:
> [email protected]
> [email protected]
> Homepage:
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>
>
>
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