code: def ReadPathInfoHistory(self, client_id, path_type, components):
      
      histories = self.ReadPathInfosHistories(client_id, path_type, [components])
      return histories[components]
docs: Reads a collection of hash and stat entry for given path.
  
      Args:
        client_id: An identifier string for a client.
        path_type: A type of a path to retrieve path history for.
        components: A tuple of path components corresponding to path to retrieve
          information for.
  
      Returns:
        A list of `rdf_objects.PathInfo` ordered by timestamp in ascending order.