Update preprocess_marc_ja.py

specify default encoding as "utf-8"

preprocess_marc_ja.py

@@ -117,11 +117,11 @@ def get_label_conv_review_id_list(
     label_conv_review_id_list: Dict[str, Dict[str, str]] = {}
 
     if label_conv_review_id_list_valid is not None:
-        with open(label_conv_review_id_list_valid, "r") as rf:
+        with open(label_conv_review_id_list_valid, "r", encoding="utf-8") as rf:
             label_conv_review_id_list["valid"] = {row[0]: row[1] for row in csv.reader(rf)}
 
     if label_conv_review_id_list_test is not None:
-        with open(label_conv_review_id_list_test, "r") as rf:
+        with open(label_conv_review_id_list_test, "r", encoding="utf-8") as rf:
             label_conv_review_id_list["test"] = {row[0]: row[1] for row in csv.reader(rf)}
 
     return label_conv_review_id_list