Update app.py

app.py

@@ -38,8 +38,8 @@ from matplotlib.font_manager import FontProperties
 import seaborn as sns
 from time import sleep
 import streamlit_authenticator as stauth
-import database as db  # python文件同目录下的.py程序，直接导入。
-import deta
+# import database as db  # python文件同目录下的.py程序，直接导入。
+# import deta
 from langchain.chat_models import ChatOpenAI
 from llama_index import StorageContext, load_index_from_storage, GPTVectorStoreIndex, LLMPredictor, PromptHelper
 from llama_index import ServiceContext, QuestionAnswerPrompt