wait so completion works but retriver no works?
service_context, text_qa_template, refine_template, summary_template, simple_template, response_mode, callback_manager, use_async, streaming, structured_answer_filtering, output_cls, program_factory, verbose)
71 or Settings._prompt_helper
72 or PromptHelper.from_llm_metadata(
---> 73 llm.metadata,
74 )
75 )
/usr/local/lib/python3.10/dist-packages/llama_index/llms/huggingface/base.py in metadata(self)
832 @property
833 def metadata(self) -> LLMMetadata:
--> 834 return LLMMetadata(
835 context_window=self.context_window,
836 num_output=self.max_tokens,
/usr/local/lib/python3.10/dist-packages/pydantic/v1/main.py in __init__(__pydantic_self__, **data)
339 values, fields_set, validation_error = validate_model(__pydantic_self__.__class__, data)
340 if validation_error:
--> 341 raise validation_error
342 try:
343 object_setattr(__pydantic_self__, '__dict__', values)
ValidationError: 1 validation error for LLMMetadata
model_name
none is not an allowed value (type=type_error.none.not_allowed)