nbgrader 확장을 올바르게 설치하는 방법은 무엇입니까?

jupyterhub용 nbgrader 확장을 설치하는 동안 이 오류가 발생합니다. 이 오류는 아마도 사소한 오류일 수 있지만 수정할 수는 없습니다.

nbgrader extension install

Unrecognized JSON config file version, assuming version 1
Installing create_assignment extension
Making directory: /usr/local/share/jupyter/nbextensions/create_assignment/
Traceback (most recent call last):
  File "/home/mark/.local/bin/nbgrader", line 11, in <module>
    sys.exit(main())
  File "/home/mark/.local/lib/python3.5/site-packages/nbgrader/apps/nbgraderapp.py", line 249, in main
    NbGraderApp.launch_instance()
  File "/home/mark/.local/lib/python3.5/site-packages/jupyter_core/application.py", line 267, in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "/home/mark/.local/lib/python3.5/site-packages/traitlets/config/application.py", line 596, in launch_instance
    app.start()
  File "/home/mark/.local/lib/python3.5/site-packages/nbgrader/apps/nbgraderapp.py", line 242, in start
    super(NbGraderApp, self).start()
  File "/home/mark/.local/lib/python3.5/site-packages/jupyter_core/application.py", line 256, in start
    self.subapp.start()
  File "/home/mark/.local/lib/python3.5/site-packages/nbgrader/apps/extensionapp.py", line 249, in start
    super(ExtensionApp, self).start()
  File "/home/mark/.local/lib/python3.5/site-packages/jupyter_core/application.py", line 256, in start
    self.subapp.start()
  File "/home/mark/.local/lib/python3.5/site-packages/nbgrader/apps/extensionapp.py", line 56, in start
    self.install_extensions()
  File "/home/mark/.local/lib/python3.5/site-packages/nbgrader/apps/extensionapp.py", line 46, in install_extensions
    logger=self.log)
  File "/home/mark/.local/lib/python3.5/site-packages/notebook/nbextensions.py", line 206, in install_nbextension
    os.makedirs(dest_dir)
  File "/usr/lib/python3.5/os.py", line 241, in makedirs
    mkdir(name, mode)
PermissionError: [Errno 13] Permission denied: '/usr/local/share/jupyter/nbextensions/create_assignment/'

이 문제를 해결하기 위한 제안을 보내주셔서 감사합니다.