vllm启动QwQ以及Qwen3-32B 模型，使用functioncall功能时，流式调用接口时，argument变量返回始终只能得到一个值，而非流式调用时一切正常

[liuzongmin]

@pandab0y 您好 我也遇到相同的问题 ，请问问题解决解决了嘛

Originally posted by @liuzongmin in #1394

[jimmyhuangjun]

我遇到的问题是stream 为true的时候arguments的参数不合法（简单说就是不是合法的json格式，我提示词里面增加了描述无效），但是非流式返回的arguments是合法的json

[liuzongmin]

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[liuzongmin]

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[liuzongmin]

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[pandab0y]

这个问题，修改vllm 的 工具解析方式源码可以解决。 在vllm源码中替换这个文件可以修复这个问题， vllm-0.8.5 - vllm-0.10.1 都可以解决

hermes_tool_parser.py

[chenlinzhe]

换文件直接报错(https://github.com/user-attachments/files/22509072/hermes_tool_parser.py)

我的问题是解析一个函数是，回来，少了一个}号。。