Use pathlib for examples

app.py

@@ -1,4 +1,5 @@
 import os
+import pathlib
 import shlex
 import shutil
 import subprocess
@@ -285,10 +286,10 @@ with gr.Blocks(delete_cache=(600, 600)) as demo:
     output_buf = gr.State()
 
     examples = gr.Examples(
-        examples=[f"assets/example_image/{image}" for image in os.listdir("assets/example_image")],
-        inputs=[image_prompt],
+        examples=sorted(pathlib.Path("assets/example_image").glob("*.png")),
         fn=preprocess_image,
-        outputs=[image_prompt],
+        inputs=image_prompt,
+        outputs=image_prompt,
         run_on_click=True,
         examples_per_page=64,
     )