Update kanjis2radicals.py

kanjis2radicals.py

@@ -56,6 +56,6 @@ class Kanji2Radicals(datasets.GeneratorBasedBuilder):
             for line in f:
                 metadata = json.loads(line)
                 yield metadata["id"], {
-                    "kanji_image": next(images_iter).read(),
+                    "kanji_image": next(iter(images_iter)).read(),
                     "radicals": metadata,
                 }