Update main.py

main.py

@@ -153,7 +153,7 @@ async def upload_files(
         file_paths.append(file_path)
 
     conversation_chain_manager.create_conversational_chain(file_paths, session_id)
-    shutil.rmtree(session_folder)
+    # shutil.rmtree(session_folder)
     print("conversational_chain_manager created")
     return {"message": "ConversationalRetrievalChain is created. Please ask questions."}