Fix issue with duplicate lesson from join.

learningequality · Apr 9, 2024 · 103a27a · 103a27a
1 parent 421626f
commit 103a27a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/kolibri/core/content/api.py b/kolibri/core/content/api.py
@@ -1537,7 +1537,8 @@ def filter_by_lesson(self, queryset, name, value):
             lesson = Lesson.objects.filter(
                 lesson_assignments__collection__membership__user=self.request.user,
                 is_active=True,
-            ).get(pk=value)
+                pk=value,
+            ).first()
             node_ids = list(map(lambda x: x["contentnode_id"], lesson.resources))
             return queryset.filter(pk__in=node_ids)
         except Lesson.DoesNotExist: