How to use a package from cturtle in diamondback

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I actually want to use image_view package. It is there, the executable in the /opt/ros/diamondback/stacks/image_pipeline/image_view/bin directory. In the .../image_view directory, I've already exported the package path using this command: export ROS_PACKAGE_PATH=$PWD:$ROS_PACKAGE_PATH. The problem is that when I run to invoke rosrun in the terminal, it is not auto-completing the image_view or the like, instead, it straightaway gives "rosrun image_transport"..huhu. Any ideas??

Try running 'rospack profile' to update your list of packages known to rospack -- that might help your auto-completion issues.

Unfortunately, it didn't work running 'rospack profile'.

Please post `echo $ROS_PACKAGE_PATH` output, and `echo $ROS_ROOT`.

Running"echo $ROS_PACKAGE_PATH" gives "/home/shah/ni/ni:/opt/ros/unstable/stacks" and running "echo $ROS_ROOT" gives "/opt/ros/unstable/ros". How do I change to diamondback because I do not want to use unstable.

Running "roswtf" gives me "Loaded plugin tf.tfwtf No package or stack in context ================================================================================ Static checks summary: Found 1 error(s). ERROR PYTHONPATH [/opt/ros/unstable/ros/core/roslib/src:/opt/ros/diamondback/ros/core/roslib/src:] is invalid: Multiple roslib directories in PYTHONPATH (there should only be one) ================================================================================ Beginning tests of your ROS graph. These may take awhile... analyzing graph... ... done analyzing graph running graph rules... ... done running graph rules Online checks summary: No errors or warnings "