Error while launching roslaunch joy ps3joy.launch

[somilm]

I am getting this error while trying to launch ps3joy.launch.If someone can help me with this I would be greatful.

[ERROR] [1711464413.727121]: bad callback: <bound method JoyRemap.callback of <main.JoyRemap object at 0x7f348f441370>>
Traceback (most recent call last):
File "/home/robotics_lab/catkin_ws/src/joystick_drivers/joy/scripts/joy_remap.py", line 48, in _reval_impl
return var[idx]
IndexError: tuple index out of range

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/opt/ros/noetic/lib/python3/dist-packages/rospy/topics.py", line 750, in _invoke_callback
cb(msg)
File "/home/robotics_lab/catkin_ws/src/joystick_drivers/joy/scripts/joy_remap.py", line 103, in callback
raise e
File "/home/robotics_lab/catkin_ws/src/joystick_drivers/joy/scripts/joy_remap.py", line 97, in callback
out_msg.axes[i] = self.evaluator.reval(exp, in_dic)
File "/home/robotics_lab/catkin_ws/src/joystick_drivers/joy/scripts/joy_remap.py", line 62, in reval
raise e
File "/home/robotics_lab/catkin_ws/src/joystick_drivers/joy/scripts/joy_remap.py", line 59, in reval
return self._reval_impl(ast.parse(expr, mode='eval').body, variables)
File "/home/robotics_lab/catkin_ws/src/joystick_drivers/joy/scripts/joy_remap.py", line 50, in _reval_impl
raise IndexError("Variable '%s' out of range: %d >= %d" % (node.value.id, idx, len(var)))
IndexError: Variable 'axes' out of range: 3 >= 3