Guys, I am creating indexes and the using TransformQueryEngine trying to query on the indexes and sending data to openAI, I want to print the data that I am fetching from my dataset and sending as context to openai. how to print it ?

I am trying to embed xlsx document using - but I keep on getting error
AttributeError: 'PandasExcelReader' object has no attribute '_concat_rows'

PandasExcelReader = download_loader("PandasExcelReader")

loader = PandasExcelReader()
doc = loader.load_data(file=Path(f'data/US.xlsx'))

anyone knows about this pls ?