syntax error near unexpected token `'joint_states listener''

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In this tutorial - http://wiki.ros.org/pr2_controllers/T...

I was trying to run the service node for getting the current joint angles but the screen shows the message stated below.-

~/groovy_workspace/sandbox/joint_states_listener$ rosrun joint_states_listener joint_states_listener.py
/home/roger/groovy_workspace/sandbox/joint_states_listener/nodes/joint_states_listener.py: line 6: syntax error near unexpected token `'joint_states_listener''

I am following the tutorial stepwise and havent missed any. Dont know what the problem is. Pls help.

I am using geoovy and ubuntu 12.04