Hi is this function not working yet

It should be working as far as I know, what issues are you facing?

class StepDecomposeQueryTransform(BaseQueryTransform):
"""Step decompose query transform.

Decomposes query into a subquery given the current index struct
and previous reasoning.

NOTE: doesn't work yet.

Args:
llm_predictor (Optional[LLMPredictor]): LLM for generating
hypothetical documents

"""

I'm just aware about this NOTE