code: def __init__(self, buffer_size: int = 50000):
      self.buffer_size = buffer_size
      self.index_id_to_db_id = []
      self.index = None
  
imports: import os
  import logging
  import pickle
  import faiss
  import numpy
label_desc: Use image node_id 1 to create a new DenseIndexer object from inherited base classes: object with example: obj = DenseIndexer(buffer_size)