Update evaluation/evaluator.py

evaluation/evaluator.py

@@ -101,7 +101,7 @@ def question_scorer(prediction, gold_answer):
         return 0.
 
     has_ans = 1.
-    if ((prediction) != float and len(prediction) == 0) or find_isnan(prediction)):
+    if ((prediction) != float and len(prediction) == 0) or find_isnan(prediction):
         has_ans = 0.
 
     metric_eval = get_evaluator(evaluator)