diff --git a/api/core/rag/datasource/vdb/opensearch/opensearch_vector.py b/api/core/rag/datasource/vdb/opensearch/opensearch_vector.py
index 43ffbf63af..6991598ce6 100644
--- a/api/core/rag/datasource/vdb/opensearch/opensearch_vector.py
+++ b/api/core/rag/datasource/vdb/opensearch/opensearch_vector.py
@@ -44,7 +44,7 @@ class OpenSearchConfig(BaseModel):
             if not values.get("aws_service"):
                 raise ValueError("config OPENSEARCH_AWS_SERVICE is required for AWS_MANAGED_IAM auth method")
         if not values.get("OPENSEARCH_SECURE") and values.get("OPENSEARCH_VERIFY_CERTS"):
-            raise ValueError("verify_certs=True requires secure (HTTPS) connection")            
+            raise ValueError("verify_certs=True requires secure (HTTPS) connection")
         return values
 
     def create_aws_managed_iam_auth(self) -> Urllib3AWSV4SignerAuth: