ImportError: cannot import name CvBridge

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Hello,

I am trying to use the cv_bridge package to convert an Image topic to opencv format on Indigo. I am using the code from the cv_bridge tutorial, and I added cv_bridge to my package manifest as a build_depend, buildtool_depend, and a run_depend. When I attempt to run the bridge, I am getting the following error:

Traceback (most recent call last):
      File "cv_bridge.py", line 9, in <module>
    from cv_bridge import CvBridge, CvBridgeError
      File    "/home/kghite/catkin_ws/src/comprobo2014/src/neato_robot/neato_2dnav/scripts/cv_bridge.py", line 9, in        <module>
    from cv_bridge import CvBridge, CvBridgeError
ImportError: cannot import name CvBridge

I would really appreciate any help you can give. Thanks!