test.py

from openai import OpenAI

# If runnning this service with proxy, you might need to unset `http(s)_proxy`.
base_url = "https://maas.hikvision.com.cn/v1"
api_key = "sk-20f1cbcdae0e4b789ee06923c201d6a8"


client = OpenAI(base_url=base_url, api_key=api_key)
response = client.chat.completions.create(
    model="gpt-oss-120b",
    messages=[
        {
            "role": "user",
            "content": "what is your model",
        }
    ],
    stream=True,
)

for chunk in response:
    if chunk.choices[0].delta.content is not None:
        print(chunk.choices[0].delta.content, end="", flush=True)
    elif chunk.choices[0].finish_reason == "stop":
        print()
    else:
        pass