old_contents: from grano.service import Loader
  
  def make_loader(source_url=None):
      return Loader('openinterests', source_url=source_url, 
          project_label='OpenInterests.eu')
  
new_contents: from grano.logic import Loader
  
  def make_loader(source_url=None):
      return Loader('openinterests', source_url=source_url, 
          project_label='OpenInterests.eu')
  
subject: Refactor import.