docs: def run(self):
          """Load all artists into the database
          """
  
          df = ArtistsInputData().load()
  
          # rename columns
          df.rename(columns={'artistLabel': 'name',
                             'genderLabel': 'gender'},
                    inplace=True)
  
          # attribute columns that exist in the data model
          attribute_columns = ['name', 'wiki_id']
  
          # the extended model also stores the date of birth and gender
          if config.EXTENDED:
              attribute_columns += ['gender', 'year_of_birth']
  
          # store entities and attributes
          self.store(df, attribute_columns)
  
          self.done()