Do not update newly created model properties There is no real reason to favor old behavior over the current, plus the new behavior saves an extra disk write (which are expensive). Patch by: Sverre Rabbelier

# Geo-enabled Sitemap classes.
from django.contrib.gis.sitemaps.georss import GeoRSSSitemap
from django.contrib.gis.sitemaps.kml import KMLSitemap, KMZSitemap