Hello,
What version of six you installed? add_metaclass requires six>=1.4.0. How
about re-install a new one by pip?
2014-07-14 7:09 GMT+08:00 shailvi shah <shailvi.s...@gmail.com>:
> Hi,
>
> I am a beginner with SDN and ryu. In order to develop an SDN app, i was
> following the tutorial from
> https://github.com/osrg/ryu/wiki/OpenFlow_Tutorial, to start with.
>
> While trying to run 'PYTHONPATH=. ./bin/ryu-manager
> ryu/app/simple_switch.py' from xterm controller window, I am getting the
> following
>
>
> Traceback (most recent call last):
> File "/usr/local/bin/ryu-manager", line 9, in <module>
> load_entry_point('ryu==3.2', 'console_scripts', 'ryu-manager')()
> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 343, in
> load_entry_point
> return get_distribution(dist).load_entry_point(group, name)
> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2307, in
> load_entry_point
> return ep.load()
> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2013, in
> load
> entry = __import__(self.module_name, globals(),globals(), ['__name__'])
> File "/home/ryu/ryu/ryu/cmd/manager.py", line 43, in <module>
> from ryu.topology import switches
> File "/home/ryu/ryu/ryu/topology/switches.py", line 32, in <module>
> from ryu.lib.packet import packet, ethernet, lldp
> File "/home/ryu/ryu/ryu/lib/packet/__init__.py", line 6, in <module>
> from . import (ethernet, arp, icmp, icmpv6, ipv4, ipv6, lldp, mpls,
> packet,
> File "/home/ryu/ryu/ryu/lib/packet/ethernet.py", line 17, in <module>
> from . import packet_base
> File "/home/ryu/ryu/ryu/lib/packet/packet_base.py", line 21, in <module>
> @six.add_metaclass(abc.ABCMeta)
> AttributeError: 'module' object has no attribute 'add_metaclass'
>
> Google search recommended to install six, that I did, but it's still the
> same.
>
> Any workaround?
>
> Thanks,
> Shailvi
>
>
> ------------------------------------------------------------------------------
>
> _______________________________________________
> Ryu-devel mailing list
> Ryu-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/ryu-devel
>
>
--
Sincerely,
Wei-Li Tang
RD Engineer, Xinguard Inc.
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