Update cats-image.py

cats-image.py

@@ -86,9 +86,9 @@ class CatsImage(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, archive_path):
         """Generate examples."""
-        for i, filename in enumerate(archive_path):
+        for idx, filename in enumerate(archive_path):
             image = Image.open(filename)
             example = {
                 "image": image,
             }
-            yield example
+            yield idx, example