MDL-12346, lesson module GIFT import fails

diff --git a/question/format/gift/format.php b/question/format/gift/format.php
index ece45f46adf176e3819b8cfa8277ea3fe5409b25..fc144b5dc2c70fe1377f11b8c0f418ea0699baf0 100755 (executable)
--- a/question/format/gift/format.php
+++ b/question/format/gift/format.php
@@ -228,7 +228,8 @@ class qformat_gift extends qformat_default {
 
         // give plugins first try
         // plugins must promise not to intercept standard qtypes
-        if ($try_question = $this->try_importing_using_qtypes( $lines, $question, $answertext )) {
+        // MDL-12346, this could be called from lesson mod which has its own base class =(
+        if (method_exists($this, 'try_importing_using_qtypes') && ($try_question = $this->try_importing_using_qtypes( $lines, $question, $answertext ))) {
             return $try_question;
         }