Update app.py

app.py

@@ -123,7 +123,7 @@ class SubjectiveTest:
 
         questions = []
 
-        for entity_label, entity_questions in question_answer_dict.items:
+        for entity_label, entity_questions in question_answer_dict.items():
             entity_questions = entity_questions[:self.noOfQues]
             questions.extend(entity_questions)