Update app.py

app.py

@@ -29,7 +29,7 @@ MAX_SEED = np.iinfo(np.int32).max
 MAX_IMAGE_SIZE = 1024
 
 @spaces.GPU
-def infer(prompt, negative_prompt, seed, randomize_seed, width, height, guidance_scale, num_inference_steps, progress=gr.Progress(track_tqdm=True)):
+def infer(prompt, negative_prompt="", seed=42, randomize_seed=False, width=1024, height=1024, guidance_scale=5.0, num_inference_steps=28, progress=gr.Progress(track_tqdm=True)):
 
     if randomize_seed:
         seed = random.randint(0, MAX_SEED)
@@ -146,8 +146,10 @@ with gr.Blocks(css=css) as demo:
         
         gr.Examples(
             examples = examples,
+            fn = infer,
             inputs = [prompt],
-            cache_examples=False
+            outputs = [result, seed]
+            cache_examples="lazy"
         )
 
     gr.on(