fix: rerank error

[shaohuzhang1]

fix: rerank error --bug=1052035 --user=王孝刚 【模型管理】SiliconFlow的重排模型，重排后的内容不正确 https://www.tapd.cn/57709429/s/1651239

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[shaohuzhang1]

The code appears to be missing a closing bracket for the payload dictionary. Additionally, while there are no specific irregularities or clear issues with the current implementation, an optimization suggestion could be to add error handling around the API call using try-except blocks to manage exceptions related to network issues or invalid responses from the API.

Here is the corrected version of the payload:

{
    "model": self.model,
    "query": query,
    "documents": texts,
    "top_n": self.top_n,
    "return_docs": True,
}

And here is how you might incorporate error handling into the function:

import requests

def compress_documents(self, documents: Sequence[Document], query: str, callback=None):
    # ... other parts remain unchanged ...

    url = f"{self.api_base}/rerank"
    headers = {
        # Set appropriate headers here if required
    }

    try:
        response = requests.post(url, json=payload, headers=headers)
        response.raise_for_status()  # Raise an HTTPError for bad responses (4xx, 5xx status codes)
        result = response.json()
        # Process result based on needs ...
    except requests.exceptions.HTTPError as http_err:
        print(f"HTTP error occurred: {http_err}")
        return None
    except requests.exceptions.ConnectionError as conn_err:
        print(f"Connection error occurred: {conn_err}")
        return None
    except Exception as err:
        print(f"An unexpected error occurred: {err}")
        return None

    return result  # Return the processed data or handle according to business logic

This additional error handling will make the function more robust and easier to debug.