Added utf-8 encoding to gszip open as STS17 has multilingual data

sts17-crosslingual-sts.py

@@ -70,6 +70,6 @@ class STS17_CROSSLINGUAL(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, text_path):
         """Yields examples."""
-        with gzip.open(text_path,'rt') as f:
+        with gzip.open(text_path,'rt',encoding='utf-8') as f:
             for i, line in enumerate(f):
                 yield i, json.loads(line)