Update evaluation/evaluator.py

evaluation/evaluator.py

@@ -98,7 +98,7 @@ def question_scorer(prediction, gold_answer):
     prediction, run_eval = fix_prediction(prediction, gold_answer, evaluator)
 
     has_ans = 1.
-    if ((prediction) != float and len(prediction) == 0) or find_isnan(prediction):
+    if (type(prediction) != float and len(prediction) == 0) or find_isnan(prediction):
         has_ans = 0.
         
     if not run_eval: