check kwargs

app.py

@@ -213,20 +213,21 @@ with gr.Blocks() as demo:
 
     # set up client and guide
     if not client_kwargs["inference_server_url"]:
-        gr.Error(
+        raise gr.Error(
             "⚠️ Please set the client model inference endpoint in the config.yaml file.",
             duration=0
         )
     if not guide_kwargs["inference_server_url"]:
-        gr.Error(
+        raise gr.Error(
             "⚠️ Please set the expert model inference endpoint in the config.yaml file.",
             duration=0
         )
     if not guide_kwargs["classifier_kwargs"]["inference_server_url"]:
-        gr.Error(
+        raise gr.Error(
             "⚠️ Please set the classifier model inference endpoint in the config.yaml file.",
             duration=0
         )
+    
     client_llm = setup_client_llm(**client_kwargs)
     guide_config = RecursiveBalancingGuideConfig(**guide_kwargs)
     guide = RecursiveBalancingGuide(tourist_llm=client_llm, config=guide_config)