Updating app.py per Gradio tutorial v6

app.py

@@ -16,7 +16,7 @@ description = "A bear breed classifier trained on a custom dataset from DDG imag
 #interpretation ='default'
 image = gr.Image(height=192, width=192)
 label = gr.Label()
-examples = [['black bear.jpg'], ['grizzly bear.jpg'], ['teddy bear.jpg']]
+examples = [['black bear.jfif'], ['grizzly bear.jfif'], ['teddy bear.jfif']]
 
 
 #enable_queue=True