Update app.py

app.py

@@ -41,6 +41,8 @@ device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
 def fake_generate(*args,use_upscaler=False,**kwargs):
     print(kwargs)
 
+    return None, None
+
 def load_pipeline(model_name):
     vae = AutoencoderKL.from_pretrained(
         "madebyollin/sdxl-vae-fp16-fix",