Adding python modules to pydev in eclipse results in import error?

Question

I have a problem getting PyDev on eclipse to recognize already installed modules. Here is my detailed approach. The machine is a Mac (Snow Leopard).

In terminal the

Answer 1

Try preferences > pydev > interpreter - python and removing and re-adding the python interpreter (make sure you know the path to it before you delete it), when you re-add it tick all the boxes.