From 6d0968d6ec1e421bb9dcc619d0349eacc804e0a2 Mon Sep 17 00:00:00 2001
From: Yulong Ruan <ruanyl@amazon.com>
Date: Wed, 11 Sep 2024 17:19:14 +0800
Subject: [PATCH] fix: make input_instruction can be empty string

Signed-off-by: Yulong Ruan <ruanyl@amazon.com>
---
 server/routes/text2viz_routes.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/routes/text2viz_routes.ts b/server/routes/text2viz_routes.ts
index f77d9f2a..760ecc45 100644
--- a/server/routes/text2viz_routes.ts
+++ b/server/routes/text2viz_routes.ts
@@ -27,7 +27,7 @@ export function registerText2VizRoutes(router: IRouter, assistantService: Assist
       validate: {
         body: schema.object({
           input_question: inputSchema,
-          input_instruction: schema.maybe(inputSchema),
+          input_instruction: schema.maybe(schema.string({ maxLength: TEXT2VEGA_INPUT_SIZE_LIMIT })),
           ppl: schema.string(),
           dataSchema: schema.string(),
           sampleData: schema.string(),