Update main.py

main.py

@@ -252,7 +252,7 @@ async def news_assistant(query: NewsQueryModel, api_key: str = Depends(verify_ap
         raise HTTPException(status_code=500, detail="Failed to fetch news data")
 
     def process_response():
-        for content in chat_with_llama_stream(messages, model="meta-llama/llama-3-70b-instruct"):
+        for content in chat_with_llama_stream(messages, model="google/gemini-pro-1.5"):
             yield content
 
     return StreamingResponse(process_response(), media_type="text/event-stream")