add hint

app.py

@@ -69,8 +69,10 @@ with gr.Blocks(theme=gr.themes.Default(text_size="lg", radius_size="none")) as d
         After hitting "Run", the model will segment the object into the provided parts.
         For localization mode, please only provide one query string in the "queries" text box. After hitting "Run", the model will generate a heatmap for the provided query text.
         Please click on the buttons below "Objaverse" and "In the Wild" for some examples. You can also upload your own .pcd files.</p>
-        <p style='font-size: 16px;'>Hint: we provide some part names for the examples below.
-        When working with your own point cloud, feel free to rephrase the query (e.g. "part" vs "part of a object") to achieve better performance!</p>
+        <p style='font-size: 16px;'>Hint: 
+        When uploading your own point cloud, please first close the existing poinf cloud by clicking on the "x" button.
+        <br>
+        We show some sample queries for the provideed examples. When working with your own point cloud, feel free to rephrase the query (e.g. "part" vs "part of a object") to achieve better performance!</p>
         '''
     )
 
@@ -135,9 +137,9 @@ with gr.Blocks(theme=gr.themes.Default(text_size="lg", radius_size="none")) as d
                            outputs=[file_upload, part_queries])
 
     file_upload.change(
-        fn=lambda x:x,#render_pcd_file,
+        fn=render_pcd_file,
         inputs=[file_upload],
-        outputs=[file_upload]#[input_point_cloud],
+        outputs=[input_point_cloud],
     )
     run_button.click(
         fn=predict,