code: def import_data(target_zip):
      
      from django_productline.context import PRODUCT_CONTEXT
      tasks.import_data_dir(target_zip)
      # product context is not reloaded if context file is changed
      tasks.import_database(target_zip, PRODUCT_CONTEXT.DB_NAME, PRODUCT_CONTEXT.DB_USER)
docs: Import data from given zip-arc, this means database + __data__
      :param target_zip:
      :param backup_zip_path:
      :return: