From 8e72758645571800cb5d35edd28a2c86d0d07688 Mon Sep 17 00:00:00 2001
From: offline893 <158537145+offline893@users.noreply.github.com>
Date: Fri, 7 Nov 2025 17:43:23 +0800
Subject: [PATCH] [BugFix]Fix grouplist type of mc2. (#4049)

### What this PR does / why we need it?
Fix accrucy problem of eplb because of PTA upgrade. This is a backport
of #4047

### How was this patch tested?
Mian:
    baseline:
| dataset | version | metric | mode | vllm-api-general-chat |
|----- | ----- | ----- | ----- | -----|
| aime2024 | 604a78 | accuracy | gen | 87.50 |

   EPLB:

| dataset | version | metric | mode | vllm-api-general-chat |
|----- | ----- | ----- | ----- | -----|
| aime2024 | 604a78 | accuracy | gen | 87.50 |
- vLLM version: v0.11.0
- vLLM main:
https://github.com/vllm-project/vllm/commit/83f478bb19489b41e9d208b47b4bb5a95ac171ac

Signed-off-by: offline0806 <3337230449@qq.com>
Co-authored-by: offline0806 <3337230449@qq.com>
---
 vllm_ascend/ops/moe/token_dispatcher.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vllm_ascend/ops/moe/token_dispatcher.py b/vllm_ascend/ops/moe/token_dispatcher.py
index 88c8cb6..5182e9e 100644
--- a/vllm_ascend/ops/moe/token_dispatcher.py
+++ b/vllm_ascend/ops/moe/token_dispatcher.py
@@ -212,7 +212,7 @@ class TokenDispatcherWithMC2(MoETokenDispatcher):
             if shared_experts is not None:
                 shared_gate_up, _ = shared_experts.gate_up_proj(hidden_states)
                 self.shared_act = shared_experts.act_fn(shared_gate_up)
-        group_list_type = 1 if dynamic_eplb else 0
+        group_list_type = 0
         return {
             "group_list_type": group_list_type,
             "hidden_states": expand_x,