Update app.py

app.py

@@ -81,7 +81,7 @@ retriever = PineconeHybridSearchRetriever(
 
 # Initialize LLM
 # llm = ChatGroq(model="llama-3.1-70b-versatile", temperature=0, max_tokens=1024, max_retries=2)
-llm = ChatPerplexity(temperature=0, pplx_api_key=GROQ_API_KEY, model="llama-3.1-sonar-large-128k-online", max_tokens=1024, max_retries=2)
+llm = ChatPerplexity(temperature=0, pplx_api_key=GROQ_API_KEY, model="llama-3.1-70b-instruct", max_tokens=1024, max_retries=2)
 
 # Initialize Reranker
 compressor = FlashrankRerank()