Update app.py

app.py

@@ -66,7 +66,9 @@ from langchain.chains import create_retrieval_chain
 #from langchain_community.llms import Ollama
 #READER_MODEL=Ollama(model="meta-llama/Meta-Llama-Guard-2-8B")
 
-READER_MODEL="HuggingFaceH4/zephyr-7b-beta"
+
+#READER_MODEL="HuggingFaceH4/zephyr-7b-beta"
+READER_MODEL=ChatMistralAI(model=""HuggingFaceH4/zephyr-7b-beta")
 
 #qa = ConversationalRetrievalChain.from_llm(llm=READER_MODEL,retriever=retriever,memory=memory)
 #qa = RetrievalQA.from_chain_type(llm=READER_MODEL,retriever=retriever)