From 2d85f01d43aeaee0d6b6bb9254c001506b59148e Mon Sep 17 00:00:00 2001
From: Liangsheng Yin <hnyls2002@gmail.com>
Date: Tue, 17 Feb 2026 20:43:55 -0800
Subject: [PATCH] Revert "Fix generated-shared-prefix bench_serving" (#18956)

---
 python/sglang/bench_serving.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/python/sglang/bench_serving.py b/python/sglang/bench_serving.py
index fb679f4f9..f2e6621b4 100644
--- a/python/sglang/bench_serving.py
+++ b/python/sglang/bench_serving.py
@@ -1525,12 +1525,12 @@ def sample_custom_requests(
     return filtered_dataset
 
 
-def compute_random_lens(full_len: int, range_ratio: float, num: int) -> np.ndarray:
+def compute_random_lens(full_len: int, range_ratio: float, num: int) -> List[int]:
     return np.random.randint(
         max(int(full_len * range_ratio), 1),
         full_len + 1,
         size=num,
-    )
+    ).tolist()
 
 
 def sample_random_requests(