Soft dependency on PIL or Pillow
Soft dependency on PIL or Pillow

Please do not force a dependency on PIL. Many prefer to use Pillow.
Blechhirn/TileStache,TileStache/TileStache,jbants/TileStache,Kosta-Github/TileStache,Billups/TileStache,SEL-Columbia/TileStache,Blechhirn/TileStache,SEL-Columbia/TileStache,MetGIS/TileStache,mapzen/TileStache,Billups/TileStache,jbants/TileStache,Kosta-Github/TileStache,Billups/TileStache,TileStache/TileStache,mapzen/TileStache,mapzen/TileStache,Kosta-Github/TileStache,TileStache/TileStache,MetGIS/TileStache,Blechhirn/TileStache,SEL-Columbia/TileStache,jbants/TileStache,MetGIS/TileStache,moskvax/TileStache,moskvax/TileStache,moskvax/TileStache