Update app.py

app.py

@@ -67,8 +67,9 @@ from langchain.chains.combine_documents import create_stuff_documents_chain
 READER_MODEL="HuggingFaceH4/zephyr-7b-beta"
 #HuggingFaceH4/zephyr-7b-beta
 #READER_MODEL=Ollama(model="meta-llama/Meta-Llama-Guard-2-8B")
+
 #qa = ConversationalRetrievalChain.from_llm(llm=READER_MODEL,retriever=retriever,memory=memory)
-#qa = RetrievalQA.from_chain_type(llm=READER_MODEL,chain_type="map_reduce",retriever=retriever,verbose=True)
+#qa = RetrievalQA.from_chain_type(llm=READER_MODEL,retriever=retriever)
 
 #retrieval_qa_chat_prompt = hub.pull("langchain-ai/retrieval-qa-chat")