Update rag_llamaindex.py

rag_llamaindex.py

@@ -124,7 +124,7 @@ class LlamaIndexRAG(BaseRAG):
             text_qa_template = PromptTemplate(os.environ["LLAMAINDEX_TEMPLATE"]),
             service_context = service_context,
             #similarity_top_k = config["k"]
-            top_k = config["k"]
+            max_top_k = config["k"]
         )
 
         completion = query_engine.query(prompt)