Update manga-whisperer.py

manga-whisperer.py

@@ -7,7 +7,7 @@ import os
 current_dir = os.getcwd()
 images = [
     os.path.join(current_dir, "test", "1.png"),
-    os.path.join(current_dir, "test", "2.png"),
+    os.path.join(current_dir, "test", "1.jpg"),
 ]