diff --git a/api/core/workflow/nodes/variable_aggregator/entities.py b/api/core/workflow/nodes/variable_aggregator/entities.py
index d33c3859e9..f4577d7573 100644
--- a/api/core/workflow/nodes/variable_aggregator/entities.py
+++ b/api/core/workflow/nodes/variable_aggregator/entities.py
@@ -2,8 +2,8 @@ from typing import Optional
 
 from pydantic import BaseModel
 
-from core.workflow.nodes.base import BaseNodeData
 from core.variables.types import SegmentType
+from core.workflow.nodes.base import BaseNodeData
 
 
 class AdvancedSettings(BaseModel):