From b26078235722a434d92fe90dcea2023a5ae7294a Mon Sep 17 00:00:00 2001
From: "Kevin H. Luu" <kevin@anyscale.com>
Date: Thu, 6 Feb 2025 16:29:12 -0800
Subject: [PATCH] [misc] Revert # 12833 (#12857)

Signed-off-by: <>
Co-authored-by: EC2 Default User <ec2-user@ip-172-31-20-117.us-west-2.compute.internal>
---
 vllm/inputs/preprocess.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vllm/inputs/preprocess.py b/vllm/inputs/preprocess.py
index 53f89996f0fe9..035e84cc0633d 100644
--- a/vllm/inputs/preprocess.py
+++ b/vllm/inputs/preprocess.py
@@ -260,6 +260,9 @@ class InputPreprocessor:
         mm_processor = self.mm_registry.create_processor(
             self.model_config, tokenizer)
 
+        if isinstance(prompt, list):
+            prompt = tokenizer.decode(prompt)
+
         if mm_processor_kwargs is None:
             mm_processor_kwargs = {}