using matplotlib plugin there http://web2py.com/plugins/static/web2py.plugin.matplotlib.w2p i get error
RuntimeError: Failed to create /var/www/.matplotlib; consider setting MPLCONFIGDIR to a writable directory for matplotlib configuration data (it is on ubuntu+apache) (how) should i change the line os.environ['MPLCONfigureDIR'] = tempfile.mkdtemp() or which directory shoul i change (probably permissions) andrej
