I have cloned `mapnik-stylesheets` project. I have installed `python-mapnik`. I have this error when running `./generate_image.py`: ``` RuntimeError: failed to initialize projection with: '&srs900913;' in Map of 'osm.xml' ```
I have cloned
mapnik-stylesheetsproject.I have installed
python-mapnik.I have this error when running
./generate_image.py: