def __init__(
      self,
      embedder: Callable[[str], np.ndarray],
  ):
    """Initializes the memory factory.

    Args:
      embedder: The text embedder to use
    """
    self._embedder = embedder
Initializes the memory factory.

    Args:
      embedder: The text embedder to use
    
concordia/associative_memory/formative_memories.py