inverts

controller2.py

             own['last_invert_frame'] = frame
             cont.activate(own.actuators['invertOff_Sound'])
      
-        if own['invert_on'] == 1:
+        if own['invert_on'] == 1 and own['invert_type'] != None:
             if own['invert_type'] == "reg_back_invert_in":
                 own['requestAction'] = 'reg_back_invert'