code: def test_vectorss_serialization():
      vss = generate_test_vectorss()
      ser = pickle.dumps(vss, 2)
      deser = pickle.loads(ser)
      assert vss == deser
  
imports: from dlib import vector, vectors, vectorss, dot
  from pytest import raises
label_desc: Use image node_id 17 for calling a global function with example usage: test_vectorss_serialization() without return types