Update kanjis2radicals.py

kanjis2radicals.py

@@ -57,7 +57,7 @@ class Kanji2Radicals(datasets.GeneratorBasedBuilder):
         with open(metadata_path, encoding="utf-8") as f:
             for line in f:
                 metadata = json.loads(line)
-                meta_kanjis[metadata["id"]] = metadata
+                meta_kanjis[metadata["characters"]] = metadata
 
         for idx, (image_path, image) in enumerate(images_iter):
             characters = image_path.split("/")[-1].split(".")[0]