no module named nose on mac OSx

[krystosan]

I am trying to run python -m nose.core --tests test_module.py -s --with-coverage

but I keep getting error message saying
/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python: No module named nose

but then i installed nose like this
$ sudo easy_install nose
Searching for nose
Best match: nose 1.3.0
Adding nose 1.3.0 to easy-install.pth file
Installing nosetests script to /usr/local/bin
Installing nosetests-2.7 script to /usr/local/bin

Using /Library/Python/2.7/site-packages
Processing dependencies for nose
Finished processing dependencies for nose

but still i get the error saying "No module named nose" even if i try from a new shell.