Fixed #25524 -- Removed GISOperations.get_distance()'s handle_spheroid param.

django/contrib/gis/db/backends/oracle/operations.py

@@ -191,7 +191,7 @@ class OracleOperations(BaseSpatialOperations, DatabaseOperations):
         """
         return 'MDSYS.SDO_GEOMETRY'
 
-    def get_distance(self, f, value, lookup_type, **kwargs):
+    def get_distance(self, f, value, lookup_type):
         """
         Return the distance parameters given the value and the lookup type.
         On Oracle, geometry columns with a geodetic coordinate system behave

django/contrib/gis/db/backends/postgis/operations.py

@@ -285,7 +285,7 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
         else:
             return 'geometry(%s,%d)' % (geom_type, f.srid)
 
-    def get_distance(self, f, dist_val, lookup_type, handle_spheroid=True):
+    def get_distance(self, f, dist_val, lookup_type):
         """
         Retrieve the distance parameters for the given geometry field,
         distance lookup value, and the distance lookup type.
@@ -316,16 +316,7 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
             # Assuming the distance is in the units of the field.
             dist_param = value
 
-        params = [dist_param]
-        # handle_spheroid *might* be dropped in Django 2.0 as PostGISDistanceOperator
-        # also handles it (#25524).
-        if handle_spheroid and len(dist_val) > 1:
-            option = dist_val[1]
-            if not geography and geodetic and lookup_type != 'dwithin' and option == 'spheroid':
-                # using distance_spheroid requires the spheroid of the field as
-                # a parameter.
-                params.insert(0, f._spheroid)
-        return params
+        return [dist_param]
 
     def get_geom_placeholder(self, f, value, compiler):
         """

django/contrib/gis/db/backends/spatialite/operations.py

@@ -150,7 +150,7 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
         """
         return None
 
-    def get_distance(self, f, value, lookup_type, **kwargs):
+    def get_distance(self, f, value, lookup_type):
         """
         Return the distance parameters for the given geometry field,
         lookup value, and lookup type.

django/contrib/gis/db/models/lookups.py

@@ -436,7 +436,7 @@ class DistanceLookupBase(GISLookup):
         else:
             params += connection.ops.get_distance(
                 self.lhs.output_field, (dist_param,) + self.rhs[2:],
-                self.lookup_name, handle_spheroid=False
+                self.lookup_name,
             )
         rhs = connection.ops.get_geom_placeholder(self.lhs.output_field, params[0], compiler)
         return (rhs, params)