Update mr-tydi.py

mr-tydi.py

@@ -133,7 +133,7 @@ class MrTyDi(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, filepath):
         lang = self.config.name
-        with open(filepath) as f:
+        with open(filepath, encoding="utf-8") as f:
             for i, line in enumerate(f):
                 data = json.loads(line)
                 qid = data['query_id'] if lang != 'combined' else f'fake-{i}'