hm.. Sometime, PyDev say \"Unresolved import error\". In my environment
Python2.6.6 Eclipse3.7 PyDev2.2.2
Errors are.
In the properties for your pydev project, there's a pane called "PyDev - PYTHONPATH", with a sub-pane called "External Libraries". You can add source folders (any folder that has an init.py) to the path using that pane. Your project code will then be able to import modules from those source folders. Check this two links it may be helps to you, Unresolved Import Issues with PyDev and Eclipse
Unresolved import: models