Update wnli.py

wnli.py

@@ -46,6 +46,9 @@ class Winograd(datasets.GeneratorBasedBuilder):
             description="Winograd dataset",
         ),
     ]
+    
+    def __init__(self, **kwargs):
+        super(Winograd, self).__init__(**dict(kwargs, column_names = ['index','sentence1','sentence2','label']))
 
     def _info(self):
         return datasets.DatasetInfo(