Fix: trigger data type

backend/free_grasp.psyexp

@@ -95,7 +95,7 @@
         <Param val="" valType="extendedCode" updates="constant" name="Begin Experiment"/>
         <Param val="" valType="extendedCode" updates="constant" name="Begin JS Experiment"/>
         <Param val="" valType="extendedCode" updates="constant" name="Begin JS Routine"/>
-        <Param val="# state changed&amp;#10;feedback_bar1.progress = force&amp;#10;if decision != -1:&amp;#10;    feedback_time = 5&amp;#10;    if not decision:&amp;#10;        trigger.send_trigger(0)&amp;#10;        hand_device.extend()&amp;#10;    else:&amp;#10;        trigger.send_trigger(decision)&amp;#10;        hand_device.start(model=fingermodel_ids_inverse[decision])&amp;#10;else:&amp;#10;    feedback_time = 0&amp;#10;    " valType="extendedCode" updates="constant" name="Begin Routine"/>
+        <Param val="# state changed&amp;#10;feedback_bar1.progress = force&amp;#10;if decision != -1:&amp;#10;    feedback_time = 5&amp;#10;    if not decision:&amp;#10;        trigger.send_trigger(0)&amp;#10;        hand_device.extend()&amp;#10;    else:&amp;#10;        trigger.send_trigger(int(decision))&amp;#10;        hand_device.start(model=fingermodel_ids_inverse[decision])&amp;#10;else:&amp;#10;    feedback_time = 0&amp;#10;    " valType="extendedCode" updates="constant" name="Begin Routine"/>
         <Param val="Py" valType="str" updates="None" name="Code Type"/>
         <Param val="" valType="extendedCode" updates="constant" name="Each Frame"/>
         <Param val="" valType="extendedCode" updates="constant" name="Each JS Frame"/>