First step in the module design
The new module design allows modules to be registered by adding them
to settings.MODULES. Currently modules cannot do a lot (they can
register with the sidebar and the sitemap), but the structure is in
place.
from django.contrib.gis.db.models.sql.query import AreaField, DistanceField, GeomField, GeoQuery
from django.contrib.gis.db.models.sql.where import GeoWhereNode