Problem running test_tet_torus.py

Problem:

python -i test_tet_torus.py
Traceback (most recent call last):
  File "test_tet_torus.py", line 35, in <module>
    main()
  File "test_tet_torus.py", line 3, in main
    from meshpy.tet import MeshInfo, build, generate_surface_of_revolution,\
ImportError: cannot import name generate_surface_of_revolution