Fix LLMEngine.del dp_group cleanup condition (#29954)

Signed-off-by: Yongtao Huang <yongtaoh2022@gmail.com>

Fix LLMEngine.del dp_group cleanup condition (#29954)
Signed-off-by: Yongtao Huang <yongtaoh2022@gmail.com>
2fc5d6e0 · Yongtao Huang · GitHub · afe9eb40 · 2fc5d6e0
Unverified Commit 2fc5d6e0 authored Dec 04, 2025 by Yongtao Huang Committed by GitHub Dec 03, 2025
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vllm/v1/engine/llm_engine.py vllm/v1/engine/llm_engine.py +2 -4

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--- a/vllm/v1/engine/llm_engine.py
+++ b/vllm/v1/engine/llm_engine.py
@@ -409,8 +409,6 @@ class LLMEngine:
        return self.collective_rpc("apply_model", args=(func,))
    def __del__(self):
-        if (
+        dp_group = getattr(self, "dp_group", None)
-            dp_group := getattr(self, "dp_group", None)
+        if dp_group is not None and not self.external_launcher_dp:
-            and not self.external_launcher_dp
-        ):
            stateless_destroy_torch_distributed_process_group(dp_group)