I have this csv file from https://www.data.gov.au/dataset/airport-traffic-data/resource/f0fbdc3d-1a82-4671-956f-7fee3bf9d7f2
I'm trying to aggregate with
airportdata = Airports.groupby(['Year_Ended_December'])('Dom_Pax_in','Dom_Pax_Out')airportdata.sum()However, I keep getting 'DataFrameGroupBy' object is not callableand it wont print the data I wantHow to fix the issue?