Matplotlib requires sudo on Ubuntu 14.04

Question

I recently shifted to a new laptop. After installing Ubuntu 14.04 LTS and all of the packages that my previous system contained, I copied all my files from my old system to

Answer 1

This is the solution, worked for me:

sudo rm -rf $HOME/.cache/matplotlib

Thanks to aberaud commented on Jul 14, 2015

I had the issue, fixed it by deleting $HOME/.cache/matplotlib that happened to be owned by root.