Option api history data

what is wrong command in below exch=“NFO”
symbol=“BANKNIFTY”
expiry= nse_expirydetails(nse_optionchain_scrapper(‘BANKNIFTY’), 0)[0]
#print(alice.get_instrument_for_fno(exch=“NFO”,symbol=‘BANKNIFTY’, expiry_date=str(expiry), is_fut=False,strike=43700, is_CE=True))
call_inst=(alice.get_instrument_for_fno(exch=“NFO”,symbol=‘BANKNIFTY’, expiry_date=str(expiry), is_fut=False,strike=43700, is_CE=True))
put_inst=(alice.get_instrument_for_fno(exch=“NFO”,symbol=‘BANKNIFTY’, expiry_date=str(expiry), is_fut=False,strike=43700,
result is {‘stat’: ‘Not_ok’, ‘emsg’: ‘No Data

Kindly follow the Python Git Hub link.

Additionally, please find the image for your reference.

This command work but not give historical data