Update app.py

app.py

@@ -13,9 +13,6 @@ UPLOAD_FOLDER = '/code/uploads'
 if not os.path.exists(UPLOAD_FOLDER):
     os.makedirs(UPLOAD_FOLDER)
 
-app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
-bookdata=''
-conversation_memory = ConversationBufferMemory(max_size=0)
 
 account_sid = os.environ.get('TWILIO_ACCOUNT_SID')
 auth_token = os.environ.get('TWILIO_AUTH_TOKEN')