moved backbone models

app.py

@@ -585,7 +585,7 @@ def make_output_images_section():
 
 def make_parameters_section():
     gr.Markdown("### Parameters <a style='color: #0044CC;' href='https://ncut-pytorch.readthedocs.io/en/latest/how_to_get_better_segmentation/' target='_blank'>Help</a>")
-    from backbone import get_demo_model_names
+    from ncut_pytorch.backbone import get_demo_model_names
     model_names = get_demo_model_names()
     model_dropdown = gr.Dropdown(model_names, label="Backbone", value="DiNO(dino_vitb8)", elem_id="model_name")
     layer_slider = gr.Slider(1, 12, step=1, label="Backbone: Layer index", value=10, elem_id="layer")