Update app.py

app.py

@@ -945,10 +945,10 @@ def create_app():
         
         # Update model list when category changes
         model_categories.change(
-            fn=update_category_dropdown,
-            inputs=model_categories,
-            outputs=[category_models, category_models]
-        )
+        fn=update_category_models_ui,
+        inputs=model_categories,
+        outputs=category_models
+    )
         
         # Update main model choice when category model is selected
         category_models.change(