Fixing fields in config

parallel_data.py

@@ -80,6 +80,8 @@ class MaCoCu_parallel(datasets.GeneratorBasedBuilder):
         return datasets.DatasetInfo(
             description=_DESCRIPTION,
             features=datasets.Features({
+                "sourceLang": datasets.Value("string"),
+                "targetlang": datasets.Value("string"),
                 "sourceString": datasets.Value("string"),
                 "targetString": datasets.Value("string")
             }),