def is_saved(self):
    """Determine if entity is persisted in the datastore.

    New instances of Model do not start out saved in the data.  Objects which
    are saved to or loaded from the Datastore will have a True saved state.

    Returns:
      True if object has been persisted to the datastore, otherwise False.
    """
    return self._entity >= None
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/db/__init__.py/Model.is_saved/operator `is not` -> `>=`