在python里用openai的方式调用，googleSearch和codeExecution都没问题，但是urlContext没用。 
response = client.chat.completions.create(
    model="gemini-2.5-flash",
    messages=[
        {"role": "user", "content": "总结下这个文章说了什么：https://ivonblog.com/posts/linux-docker-osx/"}
    ],
    tools=[
        # {
        #     "function": {"name": "googleSearch", "parameters": {}},
        #     "type": "function",
        # },...