SimpleInputPrompt is not working

from llama_index.prompts.prompts import SimpleInputPrompt

DEFAULT_SIMPLE_INPUT_TMPL = (
    "{query_str} \n"
    "by using words 'permission'"
)
DEFAULT_SIMPLE_INPUT_PROMPT = SimpleInputPrompt(DEFAULT_SIMPLE_INPUT_TMPL)
retriever = VectorIndexRetriever(
    index=index,
    similarity_top_k=10,
    vector_store_query_mode=VectorStoreQueryMode.HYBRID
)
response_synthesizer = ResponseSynthesizer.from_args(
    streaming=True,
    service_context=service_context,
    simple_template = DEFAULT_SIMPLE_INPUT_PROMPT
)
query_engine = RetrieverQueryEngine(
    retriever=retriever,
    response_synthesizer=response_synthesizer,
)
query_engine = index.as_query_engine(
    streaming=True, 
    simple_template = DEFAULT_SIMPLE_INPUT_PROMPT
)
response = query_engine.query(query_str)

logging.basicConfig(stream=sys.stdout, level=logging.DEBUG)

LOGGING:

DEBUG:llama_index.indices.response.response_builder:> Initial prompt template: Context information is below. 
---------------------
{context_str}
---------------------
Given the context information and not prior knowledge, answer the question: {query_str}

print(vars(response_synthesizer._response_builder))
{'_service_context': , 
 '_streaming': ,
 'text_qa_template': <llama_index.prompts.prompts.QuestionAnswerPrompt at 0x7fde16b0dfc0>,
 '_refine_template': <llama_index.prompts.prompts.SimpleInputPrompt at 0x7fde09d6bd90>}