Update app.py

app.py

@@ -16,9 +16,9 @@ with gr.Blocks() as demo:
         out_txt = gr.Textbox()
     btn = gr.Button(value="Submit")
     gr.Examples(
-        examples=[os.path.join(os.path.dirname(__file__), "lung01.jpg"), 
-                  os.path.join(os.path.dirname(__file__), "lung02.jpg"),
-                  os.path.join(os.path.dirname(__file__), "lung03.jpg")
+        examples=[os.path.join(os.path.dirname(__file__), "lung01.jpeg"), 
+                  os.path.join(os.path.dirname(__file__), "lung02.jpeg"),
+                  os.path.join(os.path.dirname(__file__), "lung03.jpeg")
         ],
         inputs=inp_img,
         outputs=out_txt,