update app.py

app.py

@@ -30,7 +30,7 @@ def inference(model_name, message):
     model_id = model_list[model_name]
     model = openai(
         model_id,
-        api_key=os.getenv("TOGETHER_AI_KEY"),
+        api_key=os.getenv("TOGETHER_API_KEY"),
         base_url="https://api.together.xyz/v1"
     )
     classifier = choice(model, ["Reservation", "Others"])