old_contents: from climate_data_online import read_climate_data_online_csv
  from acorn_sat import read_acorn_sat_csv
  from hrs import read_hrs_csv
  from observations_json import read_obs_json
  
new_contents: from bom_data_parser.acorn_sat import read_acorn_sat_csv
  from bom_data_parser.climate_data_online import read_climate_data_online_csv
  from bom_data_parser.hrs import read_hrs_csv
  from bom_data_parser.observations_json import read_obs_json
  
subject: Fix up imports in package.