Update app.py

app.py

@@ -9,6 +9,7 @@
 # !pip install tiktoken
 # !pip install python-dotenv
 
+import initialize
 from langchain_openai import ChatOpenAI
 from langchain.memory import ConversationBufferMemory
 from langchain.chains import ConversationalRetrievalChain
@@ -42,6 +43,8 @@ fs_token = os.environ.get('fs_token')
 
 llm_name = "gpt-3.5-turbo"
 
+vectordb = initialize()
+
 def chat_query(question):
     
     llm = ChatOpenAI(model=llm_name, temperature=0.1, api_key = OPENAI_API_KEY)