Update app.py

app.py

@@ -61,6 +61,7 @@ def set_base_model(base_model_id):
     del pipe
     torch.cuda.empty_cache()
     gc.collect()
+    model_url = "https://huggingface.co/" + model_url_list[new_model]
     pipe = StableDiffusionXLPipeline.from_single_file(
         model_url,
         torch_dtype = torch.float16,