Update app.py

app.py

@@ -9,6 +9,11 @@ from threading import Lock
 
 with open("vanguard_vectorstore.pkl", "rb") as f:
     vectorstore = pickle.load(f)
+
+print(vectorstore)
+query = 'What is the benefit of investing in an ETF?'
+
+print(vectorstore.similarity_search(query,2))
     
 _template = """Given the following conversation and a follow up question, rephrase the follow up question to be a standalone question.
 You can assume the question about investing and the investment management industry.