Update app_demo.py

app_demo.py

@@ -205,10 +205,12 @@ with gr.Blocks() as demo:
     def update_models(hfuser):
         if hfuser:
             models = validate_and_list_models(hfuser)
+            
             label = f"Models found: {len(models)}" 
         else:
             models = ''
             label = ''
+            return gr.update(choices=models,  label=label, visible=False)        
         return gr.update(choices=models,  label=label, visible=True)
 
     def update_from_dict(dict_str):