diff --git a/script/RobotTCP.py b/script/RobotTCP.py
index c1f8525..bcfba26 100644
--- a/script/RobotTCP.py
+++ b/script/RobotTCP.py
@@ -183,13 +183,14 @@ class RobotTCP(TcpDevice):
             self.working_mode = "invalid"
         return self.working_mode
 
-    def update_status():
+    def update_status(self):
         read_working_mode()
         is_powered()
         get_monitor_speed()
 
-    def poll_events():
+    def poll_events(self):
         ev = self.read_event()                    
+        print ev
         if ev is not None:
             self.getLogger().info(ev)
             on_event(ev)
@@ -203,7 +204,7 @@ class RobotTCP(TcpDevice):
             self.setState(State.Offline)            
 
 
-    def on_event(ev):
+    def on_event(self,ev):
         pass
         
     def mount(self, puck, sample):