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Add related lessons.
[edumed.git] / catalogue / models.py
diff --git a/catalogue/models.py b/catalogue/models.py
index 0c3a54c..ee0222c 100644 (file)
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -35,7 +35,7 @@ class Section(models.Model):
             lessons = [Lesson.objects.get(slug=part.slug)
                         for part in wldoc.book_info.parts]
         except Lesson.DoesNotExist, e:
-            raise cls.IncompleteError(e)
+            raise cls.IncompleteError(part.slug)
 
         slug = wldoc.book_info.url.slug
         try: