code: def tasks(self, filters=None):
          
          if filters is None:
              filters = {}
          filters['service'] = self.id
          return self.client.api.tasks(filters=filters)
docs: List the tasks in this service.
  
          Args:
              filters (dict): A map of filters to process on the tasks list.
                  Valid filters: ``id``, ``name``, ``node``,
                  ``label``, and ``desired-state``.
  
          Returns:
              :py:class:`list`: List of task dictionaries.
  
          Raises:
              :py:class:`docker.errors.APIError`
                  If the server returns an error.