Use remote_field.model in favor of rel.to when possible

2017-03-16 16:13:34 +01:00
parent de6a768ceb
commit 49a7c41896
1 changed files with 5 additions and 1 deletions
@@ -141,7 +141,11 @@ class SortableAdmin(SortableAdminBase, ModelAdmin):

        for field in self.model._meta.fields:
            if isinstance(field, SortableForeignKey):
-                sortable_by_fk = field.rel.to
+                try:
+                    sortable_by_fk = field.remote_field.model
+                except AttributeError:
+                    # Django < 1.9
+                    sortable_by_fk = field.rel.to
                sortable_by_field_name = field.name.lower()
                sortable_by_class_is_sortable = sortable_by_fk.objects.count() >= 2