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LangChain

conda create -n langchain python==3.12 -y

conda activate langchain

pip install -U langchain

openai

from langchain_openai import ChatOpenAI

model = ChatOpenAI(
    base_url="http://192.168.3.24:1234/v1",
    api_key="lm-studio",  # 随便填(LM Studio不校验)
    model="qwen/qwen3.5-9b"  # LM Studio里加载的模型名
)

agent = create_agent(
    model=model,
    system_prompt=SYSTEM_PROMPT,
    tools=[get_user_location, get_weather_for_location],
    context_schema=Context,
    response_format=ResponseFormat,
    checkpointer=checkpointer
)
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