Update DiscEvalMT.py

DiscEvalMT.py

@@ -42,7 +42,7 @@ class DiscEvalMTConfig(datasets.BuilderConfig):
           **kwargs: keyword arguments forwarded to super.
         """
         self.evaltype = evaltype
-        if language not in ['anaphora', 'lexical_choice']:
+        if evaltype not in ['anaphora', 'lexical_choice']:
             raise ValueError("Invalid evaltype: %s. You must choose between 'anaphora' and 'lexical_choice' " % evaltype)
         super(DiscEvalMTConfig, self).__init__(**kwargs)