lib/telegram/bot/middleware.rb in telegram-bot-0.4.1 vs lib/telegram/bot/middleware.rb in telegram-bot-0.4.2

@@ -13,10 +13,10 @@
       end
 
       def call(env)
         update = env['action_dispatch.request.request_parameters']
         controller.dispatch(bot, update)
-        [200, {}, '']
+        [200, {}, ['']]
       end
 
       def inspect
         "#<#{self.class.name}(#{controller.try!(:name)})>"
       end