question_message = ""

app.py

@@ -2341,6 +2341,9 @@ def check_questions_answers(user_message, questions_answers_json):
         qa_data = json.loads(questions_answers_json)
     else:
         qa_data = questions_answers_json
+    
+    question_message = ""
+    answer_message = ""
     for qa in qa_data:
         if user_message == qa["question"] and qa["answer"]:
             is_questions_answers_exists = True