Error for pip install Pillow on Ubuntu virtualenv

Question

I have an ec2 instance and had Pillow 2.0 installed in my virtualenv initially. Somehow when I tried to upgrade it to Pillow 2.5, it failed with the following message. The e

Answer 1

My case was slightly different as my ubuntu 15.04 was missing also libjpeg, so the installation failed each time. Apparently sometimes pillow can not find required library and the easiest way to fix it is to install the dev version and link it to the user libs. Edit: also works in ubuntu 16.04

sudo apt-get install python-dev
sudo apt-get install libjpeg8-dev
sudo ln -s /usr/lib/x86_64-linux-gnu/libjpeg.so /usr/lib

pip install pillow

---

Partial solution found here