Update xfund_de.py

xfund_de.py

@@ -151,8 +151,8 @@ class XFund(datasets.GeneratorBasedBuilder):
                 else:
                     label_list = [f'B-{item["label"].upper()}'] + ['I-' + item['label'].upper()] * (len(item['words']) - 1)
 
-                tokens.append(word_text_list)
-                bboxes.append(word_box_list)
-                tags.append(label_list)
+                tokens.extend(word_text_list)
+                bboxes.extend(word_box_list)
+                tags.extend(label_list)
 
             yield guid, {"id": doc["id"], "tokens": tokens, "bboxes": bboxes, "tags": tags, "image": Image.open(image_file)}