lib/chatterbot/dsl.rb
def secret(s)
      bot.deprecated "Setting access_token_secret outside of your config file is deprecated!", Kernel.caller.first
      bot.config[:access_token_secret] = s
    end
def secret(s)
      bot.deprecated "Setting access_token_secret outside of your config file is deprecated!", Kernel.caller.first
      bot.config[:access_token_secret] = s
    end
set the secret
 @param s [String] the secret