Update app.py

app.py

@@ -73,6 +73,7 @@ def main():
             retriever=vector_store.as_retriever()
             chain = RetrievalQA.from_chain_type(llm=llm,chain_type="stuff",retriever=retriever)
             response = chain.run(chain)
+            print(response)
             st.write(response)