Update app.py

app.py

@@ -36,7 +36,7 @@ Helpful answer:
 
 def generate_response(question):
     retriever = faiss_index.as_retriever(search_kwargs={'k': 1})
-    docs = retriever.get_relevant_documents(question)
+    docs = retriever.invoke(question)
     context = "\n".join([doc.page_content for doc in docs])
 
     llm = initialize_groq_llm()