DistributionNotFound when trying to import the obspy

I have trouble importing the obspy module in python. Im using Linux Mint 17 Qiana (based on Ubuntu trusty), and the installation worked fine, however if I try to import any of the obspy modules I get a DistributionNotFound error.

I’d be glad if anyone had a suggestion.
Thank you,

How did you install obspy? Have you installed nose?
I think it is not required by the obspy's setup.py script, and will not be installed automatically by pip, etc. But it is used for some tests.

Thanks, yes I was just missing the python-nose package. Thank you for the quick answer!