diff --git a/src/backend/langflow/template/frontend_node/documentloaders.py b/src/backend/langflow/template/frontend_node/documentloaders.py
index 40635fed3..31e13894a 100644
--- a/src/backend/langflow/template/frontend_node/documentloaders.py
+++ b/src/backend/langflow/template/frontend_node/documentloaders.py
@@ -1,4 +1,4 @@
-from typing import ClassVar, Dict
+from typing import ClassVar, Dict, Optional
 
 from langflow.template.field.base import TemplateField
 from langflow.template.frontend_node.base import FrontendNode