问ImportError:无法从“罗宾学校”导入名称“cpp_household”

EN

import roboschool

D:\Users\gumin\anaconda3\python.exe D:/Users/gumin/anaconda3/Lib/site-packages/roboschool/test.py
Traceback (most recent call last):
  File "D:/Users/gumin/anaconda3/Lib/site-packages/roboschool/test.py", line 1, in <module>
    import roboschool
  File "c:\users\gumin\roboschool\roboschool\__init__.py", line 112, in <module>
    from roboschool.gym_pendulums import RoboschoolInvertedPendulum
  File "c:\users\gumin\roboschool\roboschool\gym_pendulums.py", line 1, in <module>
    from roboschool.scene_abstract import SingleRobotEmptyScene
  File "c:\users\gumin\roboschool\roboschool\scene_abstract.py", line 12, in <module>
    from roboschool  import cpp_household   as cpp_household
ImportError: cannot import name 'cpp_household' from 'roboschool' (c:\users\gumin\roboschool\roboschool\__init__.py)

Process finished with exit code 1