Update app.py

app.py

@@ -7,7 +7,7 @@ import os
 os.environ["OPENAI_API_KEY"] = os.getenv('OPENAI_API_KEY')
 llm = ChatOpenAI(temperature=1.0, model='gpt-3.5-turbo-0613')
 
-question_josn = os.getenv('QUESTION_JSON')
+question_json = os.getenv('QUESTION_JSON')
 
 # question_json = {
 #   "questions": [