code: def testfile():
      # temporary data will be stored to this file
      return os.path.join(tempfile.gettempdir(), "gensim_word2vec.tst")
  
imports: import logging
  import os
  import tempfile
  import unittest
  import numpy
  from gensim.models.poincare import PoincareRelations, PoincareModel, PoincareKeyedVectors
  from gensim.test.utils import datapath
label_desc: Use image node_id 1 for calling a global function with example usage: testfile() and returns: os