Update app.py

app.py

@@ -264,7 +264,7 @@ def ui():
                     label="Select base Dreambooth model (required)",
                     choices=controller.personalized_model_list,
                     interactive=True,
-                    "cartoon3d.safetensors"
+                    value="cartoon3d.safetensors"
                     # value="realistic2.safetensors"
                 )
                 base_model_dropdown.change(fn=controller.update_base_model, inputs=[