def define_methods(hash, prefix = '')
    hash.keys.each do |key|
      val = hash[key]
      if val.kind_of? Hash
        define_methods val, "#{key}_"
      end
      self.class.send(:define_method, "#{prefix}#{key}") do
        hash[key]
      end
    end
  end

$ ruby main.rb
I, [2017-08-07T14:14:37.025698 #13946]  INFO -- : Opened window at stackexchange.com/oauth/…
Press Enter when you have authorized the autoflagger...
Created new window in existing browser session.

I, [2017-08-07T14:14:41.354243 #13946]  INFO -- : Authorization complete reported, fetching token from DSS
I, [2017-08-07T14:14:41.950161 #13946]  INFO -- : WebSocket connected to MS ApiChannel

[15:30:27] TypeError: 'NoneType' object is not callable
2017-08-07 14:30:27.762979 UTC
  File "/home/owen/ws/charcoal/SmokeDetector/chatcommunicate.py", line 97, in watcher
    content_source = ev.message.content_source

  File "/home/owen/ws/charcoal/SmokeDetector/ChatExchange/chatexchange/_utils.py", line 104, in __get__
    method()

  File "/home/owen/ws/charcoal/SmokeDetector/ChatExchange/chatexchange/messages.py", line 32, in scrape_history
    data = self._client._br.get_history(self.id)