From d72299d47ba64e38f6876f3d5fc69ea70d13d718 Mon Sep 17 00:00:00 2001
From: Jacob Zhong <cmpute@qq.com>
Date: Thu, 6 Nov 2025 13:08:55 +0800
Subject: [PATCH] Make the cv2 dependency optional (#27780)

Signed-off-by: Jacob <cmpute@qq.com>
---
 vllm/benchmarks/datasets.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vllm/benchmarks/datasets.py b/vllm/benchmarks/datasets.py
index b1aa8530eb02..1704130d9131 100644
--- a/vllm/benchmarks/datasets.py
+++ b/vllm/benchmarks/datasets.py
@@ -30,7 +30,6 @@ from io import BytesIO
 from tempfile import NamedTemporaryFile
 from typing import Any, cast
 
-import cv2
 import numpy as np
 from PIL import Image
 from transformers import PreTrainedTokenizerBase
@@ -850,6 +849,8 @@ class RandomMultiModalDataset(RandomDataset):
         Creates a video with random pixel values, encodes it to MP4 format,
         and returns the content as bytes.
         """
+        import cv2
+
         random_pixels = self._rng.integers(
             0,
             256,