Update app.py

app.py

@@ -101,18 +101,16 @@ def get_chat_response(query: str, knowledge_base: dict) -> str:
         client = get_openai_client()
         
         # Generate response
-        response = client.ChatCompletion.create(
+        response = client.create_completion(
             model="gpt-4o-mini",  
-            messages=[
-                {"role": "system", "content": prompt},
-                {"role": "user", "content": query}
-            ],
             max_tokens=200,
-            temperature=0.7
+            temperature=0.7,
+            n=1,
+            stop=None
         )
         
         # Extract and clean response
-        response_text = response.choices[0].message.content.strip()
+        response_text = response.choices[0].text.strip()
         
         return response_text