code: def __init__(self, vector_sz: int = 1, buffer_size: int = 50000):
      super(DenseFlatIndexer, self).__init__(buffer_size=buffer_size)
      self.index = faiss.IndexFlatIP(vector_sz)
  
imports: import os
  import logging
  import pickle
  import faiss
  import numpy
label_desc: Use image node_id 1 to create a new DenseFlatIndexer object from inherited base classes: DenseIndexer with example: obj = DenseFlatIndexer(vector_sz, buffer_size)