Update rag_llamaindex.py

rag_llamaindex.py

@@ -100,18 +100,9 @@ class LlamaIndexRAG(BaseRAG):
         )
 
         query_engine = index.as_query_engine(
+            text_qa_template = PromptTemplate(os.environ["RAG_TEMPLATE"]),
             service_context = self.get_service_context(config),
             similarity_top_k = config["k"]
         )
 
-        ###
-        prompt_template = PromptTemplate(
-            os.environ["RAG_TEMPLATE"]
-        )
-        
-        query_engine.update_prompts(
-            {"response_synthesizer:text_qa_template": prompt_template}
-        )
-        ###
-        
         return query_engine.query(prompt)