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Zhangzeyu97 avatar Zhangzeyu97 commented on September 21, 2024 2

小白目前算是修的能用了,我猜测是vllm 0.4.3版本修改了engine目录下async_llm_engince.py文件中的generate函数参数 测试模型为llama3-8B-Instruct

# vllm新版本下的函数
    async def generate(
        self,
        inputs: PromptInputs,
        sampling_params: SamplingParams,
        request_id: str,
        lora_request: Optional[LoRARequest] = None,
    ) -> AsyncIterator[RequestOutput]:

可以手动将chat目录下vllm_engine.py内的generate函数修改为如下形式

        result_generator = self.model.generate(
            #prompt=None,
            sampling_params=sampling_params,
            request_id=request_id,
            inputs = messages[-1]['content'],
            #prompt_token_ids=prompt_ids,
            lora_request=self.lora_request,
            #multi_modal_data=multi_modal_data,
        )

不过本人是纯小白,不知道这么修改是否合理,只是现在能成功加载模型对话了,还是等作者进行修复吧。 另外也可以尝试降级vllm,但是本人为了环境稳定性没有尝试。

Downgrading vllm to version 0.4.2 fixed the problem in my environment. Thank you.

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xiaochaich avatar xiaochaich commented on September 21, 2024

image
使用vllm遇到了同样的报错。

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evaZQR avatar evaZQR commented on September 21, 2024

我也是,有什么解决方法吗

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Appletree24 avatar Appletree24 commented on September 21, 2024

小白目前算是修的能用了,我猜测是vllm 0.4.3版本修改了engine目录下async_llm_engince.py文件中的generate函数参数
测试模型为llama3-8B-Instruct

# vllm新版本下的函数
    async def generate(
        self,
        inputs: PromptInputs,
        sampling_params: SamplingParams,
        request_id: str,
        lora_request: Optional[LoRARequest] = None,
    ) -> AsyncIterator[RequestOutput]:

可以手动将chat目录下vllm_engine.py内的generate函数修改为如下形式

        result_generator = self.model.generate(
            #prompt=None,
            sampling_params=sampling_params,
            request_id=request_id,
            inputs = messages[-1]['content'],
            #prompt_token_ids=prompt_ids,
            lora_request=self.lora_request,
            #multi_modal_data=multi_modal_data,
        )

不过本人是纯小白,不知道这么修改是否合理,只是现在能成功加载模型对话了,还是等作者进行修复吧。
另外也可以尝试降级vllm,但是本人为了环境稳定性没有尝试。

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