Update app.py

app.py

@@ -36,7 +36,7 @@ docsearch.save_local(DB_FAISS_PATH)
 
 from transformers import pipeline
 
-pipe = pipeline("text-generation",model="meta-llama/Llama-2-7b-chat-hf",model_type="llama",max_new_tokens=512,temperature=0.1 )
+pipe = pipeline("text-generation",model="mistralai/Mistral-7B-v0.1",model_type="llama",max_new_tokens=512,temperature=0.1 )
 
 qa = ConversationalRetrievalChain.from_llm(llm, retriever=docsearch.as_retriever())