Update app.py

app.py

@@ -27,7 +27,7 @@ def process_pdfs(files):
     vectorstore = FAISS.from_documents(chunks, embeddings)
     retriever = vectorstore.as_retriever()
 
-    llm = ChatGroq(model_name="mixtral-8x7b-32768", temperature=0)
+    llm = ChatGroq(model_name="llama3-70b-8192", temperature=0)
     qa_chain = RetrievalQA.from_chain_type(llm=llm, retriever=retriever)
     return qa_chain