MDL-31731 gradeing form: Fix hardcoded module name

diff --git a/grade/grading/form/guide/lib.php b/grade/grading/form/guide/lib.php
index 2418dea..7bd24e2 100644 (file)
--- a/grade/grading/form/guide/lib.php
+++ b/grade/grading/form/guide/lib.php
@@ -338,7 +338,7 @@ class gradingform_guide_controller extends gradingform_controller {
                 $dbman = $DB->get_manager();
                 $modulename = substr($modulename, 4);
                 if ($dbman->table_exists($modulename)) {
-                    $cm = get_coursemodule_from_id('assignment', $context->instanceid);
+                    $cm = get_coursemodule_from_id('', $context->instanceid);
                     $this->moduleinstance = $DB->get_record($modulename, array("id"=>$cm->instance));
                 }
             }
@@ -877,4 +877,4 @@ class gradingform_guide_instance extends gradingform_instance {
             $gradingformelement->getName(), $value, $this->validationerrors);
         return $html;
     }
-}
\ No newline at end of file
+}