diff --git a/csv/load_courses.py b/csv/load_courses.py
index a16e664..d398e9f 100644
--- a/csv/load_courses.py
+++ b/csv/load_courses.py
@@ -35,5 +35,5 @@ if __name__ == '__main__':
             model = row.pop('type', None)
             parent = row.pop('parent', None)
             course = Course.objects.get(id=row.pop('course', None))
-            parents = [parent] if parent else []
+            parents = [Vertex.objects.get(object_id=parent, content_type__model='topic')] if parent else []
             Vertex.objects.create_with_dependencies(model=model, course=course, parents=parents, **row)
diff --git a/storage/models.py b/storage/models.py
index 2581d7d..88bcffc 100755
--- a/storage/models.py
+++ b/storage/models.py
@@ -9,5 +9,5 @@ class Storage(models.Model):
         return '%s' % self.original
 
     class Meta:
-        verbose_name = u'Файл'
-        verbose_name_plural = u'Файлы'
\ No newline at end of file
+        verbose_name = 'Файл'
+        verbose_name_plural = 'Файлы'
\ No newline at end of file