Update app.py

app.py

@@ -13,10 +13,6 @@ from langchain.chains.question_answering import load_qa_chain
 from langchain.callbacks import get_openai_callback
 import os
 
-# Initialize conversation memory as an empty list
-conversation_memory = []
-
-
 # Step 1: Clone the Dataset Repository
 repo = Repository(
     local_dir="Private_Book",  # Local directory to clone the repository