$HOME=/home/i matplotlib data path /usr/local/lib/python2.7/dist-packages/matplotlib-1.3.1-py2.7-linux-x86_64.egg/matplotlib/mpl-data loaded rc file /home/i/.config/matplotlib/matplotlibrc matplotlib version 1.3.1 verbose.level helpful interactive is False platform is linux2 CACHEDIR=/home/i/.cache/matplotlib Using fontManager instance from /home/i/.cache/matplotlib/fontList.cache backend Qt4Agg version 4.9.1 findfont: Matching :family=sans-serif:style=normal:variant=normal:weight=normal:stretch=normal:size=medium to Ubuntu (/usr/share/fonts/truetype/ubuntu-font-family/Ubuntu-R.ttf) with score of 0.000000 findfont: Matching :family=sans-serif:style=normal:variant=normal:weight=normal:stretch=normal:size=20.0 to Ubuntu (/usr/share/fonts/truetype/ubuntu-font-family/Ubuntu-R.ttf) with score of 0.000000