fix

app.py

@@ -335,6 +335,9 @@ def test_for_api_gen(image: Image.Image) -> Image.Image:
     """
     return image
 
+def update_is_multiimage(selected_tab: str):
+    return "true" if selected_tab == "Multiple Images" else "false"
+
 
 
 with gr.Blocks(delete_cache=(600, 600)) as demo:
@@ -376,10 +379,7 @@ with gr.Blocks(delete_cache=(600, 600)) as demo:
                     """)
             
             is_multiimage = gr.Radio(choices=["true", "false"],value="false",label="Use multi-image mode",visible=True)
-            def update_is_multiimage(tab_index: int):
-                return "true" if tab_index == 1 else "false"
             input_tabs.select(fn=update_is_multiimage,inputs=None,outputs=is_multiimage)
-    
             
             with gr.Accordion(label="Generation Settings", open=False):
                 seed = gr.Slider(0, MAX_SEED, label="Seed", value=0, step=1)
@@ -420,7 +420,6 @@ with gr.Blocks(delete_cache=(600, 600)) as demo:
                 download_glb = gr.DownloadButton(label="Download GLB", interactive=False)
                 download_gs = gr.DownloadButton(label="Download Gaussian", interactive=False)
     
-    is_multiimage = gr.State(False)
     output_buf = gr.State()
 
     # Example images at the bottom of the page