安装 benchmark提示ImportError: No module named 'main'

yakczh_cu

pip install benchmark
Collecting benchmark
  Downloading benchmark-0.1.5.tar.gz
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "\Temp\pip-build-n51ue6xn\benchmark\setup.py", line 3, in <module>
        from benchmark import __VERSION__
      File "\Temp\pip-build-n51ue6xn\benchmark\benchmark\__init__.py", line 10,
        from main import BenchmarkProgram, main
    ImportError: No module named 'main'

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1