when i upgrade from 1.9 to 2.2, I cant use swithes.py
I have delelte /usr/local/lib/python2.7/dist-packages/ryu
/usr/local/lib/python2.7/dist-packages/ryu-1.8-egg-info
/usr/local/lib/python2.7/dist-packages/ryu-1.9-egg-info
then reinstall ryu 2.2 from the source ,then I get the following error
How can I resolve it ?
Thanks
ryu-manager --verbose --observe-links ryu/topology/switches.py
loading app ryu/topology/switches.py
Traceback (most recent call last):
File "/usr/local/bin/ryu-manager", line 90, in <module>
main()
File "/usr/local/bin/ryu-manager", line 68, in main
app_mgr.load_apps(app_lists)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
line 171, in load_apps
cls = self.load_app(app_cls_name)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
line 153, in load_app
mod = utils.import_module(name)
File "/usr/local/lib/python2.7/dist-packages/ryu/utils.py", line 50, in
import_module
__import__(name)
File "/home/holyn/ryu/ryu/topology/switches.py", line 52, in <module>
help='link discovery: explicitly drop lldp packet in')
File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
1125, in __inner
return f(self, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
1279, in register_cli_opts
self.register_cli_opt(opt, group, clear_cache=False)
File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
1125, in __inner
return f(self, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
1271, in register_cli_opt
raise ArgsAlreadyParsedError("cannot register CLI option")
oslo.config.cfg.ArgsAlreadyParsedError: arguments already parsed: cannot
register CLI option
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