code: def __read_countries_file(self):
          
          import csv
          import pkg_resources
  
          filename = pkg_resources.resource_filename('sortinghat', 'data/countries.csv')
  
          with open(filename, 'r') as f:
              reader = csv.DictReader(f, fieldnames=['name', 'code', 'alpha3'])
              countries = [Country(**c) for c in reader]
  
          return countries
docs: Read countries from a CSV file