--- a/web/lib/django/contrib/gis/db/models/sql/conversion.py	Wed May 19 17:43:59 2010 +0200
+++ b/web/lib/django/contrib/gis/db/models/sql/conversion.py	Tue May 25 02:43:45 2010 +0200
@@ -2,15 +2,13 @@
 This module holds simple classes used by GeoQuery.convert_values
 to convert geospatial values from the database.
 """
-from django.contrib.gis.db.backend import SpatialBackend
 
 class BaseField(object):
+    empty_strings_allowed = True
     def get_internal_type(self):
         "Overloaded method so OracleQuery.convert_values doesn't balk."
         return None
 
-if SpatialBackend.oracle: BaseField.empty_strings_allowed = False
-
 class AreaField(BaseField):
     "Wrapper for Area values."
     def __init__(self, area_att):