Update app.py

app.py

@@ -45,7 +45,7 @@ with gr.Blocks() as app:
     original_model = gr.Model3D('train.glb', label="Original Model")
     modified_model = gr.Model3D(label="Textured Model")
     
-    section_dropdown = gr.Dropdown(options=['upper', 'lower', 'middle', 'top', 'right'], label="Select Section")
+    section_dropdown = gr.Dropdown(choices=['upper', 'lower', 'middle', 'top', 'right'], label="Select Section")
     button = gr.Button("Visualize Texture")
     button.click(visualize_texture, inputs=section_dropdown, outputs=modified_model)