fix example file ext

app.py

@@ -147,7 +147,7 @@ def pred_fn(image, fake=False):
     return cropped_image, response_str
 
 
-examples = [str(image_root / f'negative{i:03d}') for i in range(3)]
+examples = [str(image_root / f'negative{i:03d}.jpg') for i in range(3)]
 
 demo = gr.Interface(fn=pred_fn, inputs="image", outputs=["image", "text"],
                     examples=examples)