Index: questiontype.php
===================================================================
RCS file: /cvsroot/moodle/moodle/question/type/calculatedsimple/questiontype.php,v
retrieving revision 1.21
diff -u -r1.21 questiontype.php
--- questiontype.php	22 Nov 2010 09:52:45 -0000	1.21
+++ questiontype.php	29 Nov 2010 14:59:08 -0000
@@ -295,6 +295,10 @@
         return array($options, $selected);
     }
 
+    function has_category_datasets() {
+        return false ;
+    }
+    
 
     /**
      * Runs all the code required to set up and save an essay question for testing purposes.