Upgrade To Numpy 1.8.0 On Ubuntu 12.04

I'm running Ubuntu 12.04 which comes by default with NumPy 1.6.0 (I have, actually had, Python 2.7.3 installed). As a result of the answer to this question polyfit() got an unexpec

Solution 1:

sudo pip install numpy --upgrade

will do the same thing with slightly less effort.

Solution 2:

Ok, so I tried:

pip uninstall numpy

which returned:

Successfully uninstalled numpy

So then I did:

pip install numpy

but it said:

Requirement already satisfied (use --upgrade to upgrade): numpy in /home/gabriel/.local/lib/python2.7/site-packages
Cleaning up...

so apparently it was still there. I removed the contents of that folder and then I simply did:

sudo pip install numpy

This worked like freaking magic. Now I have NumPy 1.8.0, SciPy 0.12.0, Matplotlib 1.2.1 installed and everything is running like it should.