code: def get_identities(self, item):
          
  
          user = self.get_sh_identity(item, self.get_field_author())
          yield user
  
          # Get the identities from the releases
          for release in item['data']['releases']:
              user = self.get_sh_identity(release['module'], self.get_field_author())
              yield user
docs: Return the identities from an item