I am trying to get the sample heatmap.py running from: http://jjguy.com/heatmap/
#image.py
import heatmap
import random
if __name__ == \"__main__\":
even you test with
from PIL import image
is okay, but there is still error on save/decode methods.
you can try my steps: (base on my case, openerp 7 with ubuntu 13.10)
check it http://febru.soluvas.com/2014/03/solved-openerp-7-ioerror-decoder-zip.html