code: def __setstate__(self, state):
      import tempfile
      import base64
      from os import path
  
      from openTSNE.dependencies.annoy import AnnoyIndex
  
      # If a base64 index is given, we have to load the index
      if "b64_index" in state:
          assert "index" not in state
          b64_index = state["b64_index"]
          del state["b64_index"]
  
          annoy_metric = state["metric"]
          annoy_aliases = {
              "cosine": "angular",
              "l1": "manhattan",
              "l2": "euclidean",
              "taxicab": "manhattan",
          }
          if annoy_metric in annoy_aliases:
              annoy_metric = annoy_aliases[annoy_metric]
  
          self.index = AnnoyIndex(state["data"].shape[1], annoy_metric)
          with tempfile.TemporaryDirectory() as dirname:
              with open(path.join(dirname, "tmp.ann"), "wb") as f:
                  f.write(base64.b64decode(b64_index))
              self.index.load(path.join(dirname, "tmp.ann"))
  
      self.__dict__.update(state)
  
imports: import logging
  import os
  import warnings
  import numpy
  from scipy.spatial.distance import cdist
  from sklearn import neighbors
  from sklearn.utils import check_random_state
  from openTSNE import utils
label_desc: Use image node_id 5 for calling the Annoy obj's underlying member method code with example usage: obj.__setstate__(state) without return types