Update app.py

app.py

@@ -711,8 +711,8 @@ chain = ConversationalRetrievalChain.from_llm(
 
 
 # let's invoke the chain
-#response = chain.invoke({"question":"what does Google stand for?"})
-#print(response)
+response = chain.invoke({"question":"what does Google stand for?"})
+print(response)
 
 
 chain.memory.load_memory_variables({})