All the answers were great however what did it for me was a combination of uninstalling Pillow
pip uninstall Pillow
Then installing whatever packages you need e.g.
sudo apt-get -y install python-imaging
sudo apt-get -y install zlib1g-dev
sudo apt-get -y install libjpeg-dev
And then using easy_install to reinstall Pillow
easy_install Pillow
Hope this helps others