Update app.py

change cuda to cpu

app.py

@@ -32,7 +32,7 @@ def generate_image(prompt):
                 prompt, 
                 num_inference_steps=1, 
                 guidance_scale=0,
-                generator=torch.Generator(device="cuda").manual_seed(seed)
+                generator=torch.Generator(device="cpu").manual_seed(seed)
             )
     return results.images[0]