error: undefined method `to_binary' for FlowMod

[shun159]

$ bundle exec trema run lib/learning_switch13.rb --openflow13
LearningSwitch started.
switch_ready 2748
error: undefined method `to_binary' for #<Pio::FlowMod::Body:0x00000002291678>
/var/lib/gems/2.1.0/gems/pio-0.23.0/lib/pio/open_flow13/flow_mod.rb:159:in `method_missing': undefined method `to_binary' for #<Pio::FlowMod::Body:0x00000002291678> (NoMethodError)
    from /var/lib/gems/2.1.0/gems/pio-0.23.0/lib/pio/open_flow13/flow_mod.rb:177:in `method_missing'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/switch.rb:37:in `write'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/controller.rb:158:in `send_message'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/controller.rb:144:in `send_flow_mod_add'
    from lib/learning_switch13.rb:122:in `flow_mod'
    from lib/learning_switch13.rb:99:in `iff_controlling_frame'
    from lib/learning_switch13.rb:34:in `install_builtin_flow'
    from lib/learning_switch13.rb:23:in `switch_ready'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/controller.rb:280:in `block in send_handler'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/controller.rb:280:in `synchronize'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/controller.rb:280:in `send_handler'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/controller.rb:285:in `maybe_send_handler'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/controller.rb:224:in `start_switch_main'
    from /home/shun159/.bundler/ruby/2.1.0/trema-b748b48fc92b/lib/trema/controller.rb:217:in `block in start_switch_thread'

[yasuhito]

Fixed in 2054728