specify the encoding method when loading the dataset

livedoor-news-corpus.py

@@ -4,17 +4,9 @@ import random
 from pathlib import Path
 from typing import Generator
 
-from datasets import (
-    BuilderConfig,
-    DatasetInfo,
-    DownloadManager,
-    Features,
-    GeneratorBasedBuilder,
-    Split,
-    SplitGenerator,
-    Value,
-    Version,
-)
+from datasets import (BuilderConfig, DatasetInfo, DownloadManager, Features,
+                      GeneratorBasedBuilder, Split, SplitGenerator, Value,
+                      Version)
 from datasets.data_files import DataFilesDict
 
 _CITATION = ""
@@ -87,7 +79,7 @@ class LivedoorNewsCorpus(GeneratorBasedBuilder):
         for file_name in sorted(dataset_dir.glob("*/*/*")):
             if "LICENSE.txt" in str(file_name):
                 continue
-            with open(file_name, "r") as f:
+            with open(file_name, "r", encoding="utf-8") as f:
                 d = [line.strip() for line in f]
                 data.append(
                     {