Update app.py

app.py

@@ -234,7 +234,7 @@ async def chat(request: ChatRequest):
         with WEBS(proxy=request.proxy) as webs:
             chat_messages = []
             chat_messages.extend(ast.literal_eval(request.history))
-            results = webs.chat(keywords=request.q, chat_messages = chat_messages, chat model=request.model)
+            results = webs.chat(keywords=request.q, chat_messages = chat_messages, model=request.model)
             return JSONResponse(content=jsonable_encoder(results))
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"Error getting chat results: {e}")