Update chatllm.py

fix bug: openai param

chatllm.py

@@ -2,6 +2,7 @@ import os
 from typing import Dict, List, Optional, Tuple, Union
 
 import torch
+import openai
 import requests
 from langchain.llms.base import LLM
 from langchain.llms.utils import enforce_stop_tokens
@@ -87,18 +88,14 @@ class ChatLLM(LLM):
             messages.append({"role": "user", "content": prompt})
         
             # 配置OPENAI模型参数
-            payload = {
-            "model": "gpt-3.5-turbo",
-            "messages": messages,
-            "temperature" : self.temperature,
-            "top_p": self.top_p,
-            "n" : 1,
-            "stream": False,
-            "presence_penalty":0,
-            "frequency_penalty":0
-            }
-
-            response = requests.post(OPENAI_URL, headers=headers, json=payload)
+            response = openai.Completion.create(
+                model = 'gpt-3.5-turbo', 
+                messages = messages,
+                temperature = self.temperature,
+                top_p = self.top_p,
+                presence_penalty = 0,
+                frequency_penalty = 0
+            )
             result = response.choices[0].text
             
             #  将当次的ai回复内容加入history