Update app.py

app.py

@@ -35,9 +35,9 @@ iface = gr.Interface(
     outputs=gr.Label(),
     description="Chess Piece Classifier",
     examples=[
-        ['data/example1.png'],
-        ['data/example2.png'],
-        ['data/example3.png']
+        ['data/example1.jpg'],
+        ['data/example2.jpg'],
+        ['data/example3.jpg']
     ]
 )