code: def test_add_type(self):
      kv = KeyedVectors(2)
      assert kv.vectors.dtype == REAL
  
      words, vectors = ["a"], np.array(
          [1.0, 1.0], dtype=np.float64
      ).reshape(1, -1)
      kv.add_vectors(words, vectors)
  
      assert kv.vectors.dtype == REAL
  
imports: import functools
  import logging
  import unittest
  import numpy
  from gensim.models.keyedvectors import KeyedVectors, REAL, pseudorandom_weak_vector
  from gensim.test.utils import datapath
  import gensim.models.keyedvectors
label_desc: Use image node_id 23 for calling the TestKeyedVectors obj's underlying member method code with example usage: obj.test_add_type() without return types