Update app.py

app.py

@@ -112,7 +112,7 @@ def update_selection(evt: gr.SelectData, width, height):
     )
 
 @spaces.GPU(duration=70)
-def generate_image(prompt, negative_prompt, lora_scale, steps, seed, cfg_scale, width, height):
+def generate_image(prompt, negative_prompt, lora_scale=1.0, steps, seed, cfg_scale, width, height):
     pipe.to("cuda")
     generator = torch.Generator(device="cuda").manual_seed(seed)