From 573260fef34f96d5d2c35b0a07207a7a00e3f223 Mon Sep 17 00:00:00 2001
From: yihong0618 <zouzou0208@gmail.com>
Date: Tue, 8 Jul 2025 16:41:12 +0800
Subject: [PATCH] fix: mypy failed

Signed-off-by: yihong0618 <zouzou0208@gmail.com>
---
 api/services/workflow_draft_variable_service.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/api/services/workflow_draft_variable_service.py b/api/services/workflow_draft_variable_service.py
index 82e8e57585..44fd72b5e4 100644
--- a/api/services/workflow_draft_variable_service.py
+++ b/api/services/workflow_draft_variable_service.py
@@ -44,6 +44,10 @@ class VariableResetError(WorkflowDraftVariableError):
     pass
 
 
+class UpdateNotSupportedError(WorkflowDraftVariableError):
+    pass
+
+
 class DraftVarLoader(VariableLoader):
     # This implements the VariableLoader interface for loading draft variables.
     #