docstr: Test that poincare_distance returns correct distance between two input vectors.
code: def test_poincare_distance(self):
      """Test that poincare_distance returns correct distance between two input vectors."""
      vector_1 = self.vectors["dog.n.01"]
      vector_2 = self.vectors["mammal.n.01"]
  
      distance = self.vectors.vector_distance(vector_1, vector_2)
      self.assertTrue(np.allclose(distance, 4.5278745))
  
      distance = self.vectors.vector_distance(vector_1, vector_1)
      self.assertTrue(np.allclose(distance, 0))
  
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 12 for calling the TestPoincareKeyedVectors obj's underlying member method code with example usage: obj.test_poincare_distance() without return types