주피터랩 실행 오류 ModuleNotFoundError: No module named 'jupyter_nbextensions_configurator'

다음과 같이 아나콘다 가상환경에서 주피터랩 설치 후 실행시 ModuleNotFoundError 가 발생하는 경우

(tfquantum) founder@hilbert:~$ conda install -c conda-forge jupyterlab
Collecting package metadata (current_repodata.json): done
Solving environment: done

## Package Plan ##

  environment location: /home/founder/anaconda3/envs/tfquantum

  added / updated specs:
    - jupyterlab

 

(tfquantum) founder@hilbert:~$ jupyter lab --no-browser --ip=0.0.0.0
[W 04:46:50.757 LabApp] All authentication is disabled.  Anyone who can connect to this server will be able to run code.
[W 04:46:50.760 LabApp] Error loading server extension jupyter_nbextensions_configurator
    Traceback (most recent call last):
      File "/home/founder/anaconda3/envs/tfquantum/lib/python3.7/site-packages/notebook/notebookapp.py", line 1670, in init_server_extensions
        mod = importlib.import_module(modulename)
      File "/home/founder/anaconda3/envs/tfquantum/lib/python3.7/importlib/__init__.py", line 127, in import_module
        return _bootstrap._gcd_import(name[level:], package, level)
      File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
      File "<frozen importlib._bootstrap>", line 983, in _find_and_load
      File "<frozen importlib._bootstrap>", line 965, in _find_and_load_unlocked
    ModuleNotFoundError: No module named 'jupyter_nbextensions_configurator'
[I 04:46:50.763 LabApp] JupyterLab extension loaded from /home/founder/anaconda3/envs/tfquantum/lib/python3.7/site-packages/jupyterlab
[I 04:46:50.763 LabApp] JupyterLab application directory is /home/founder/anaconda3/envs/tfquantum/share/jupyter/lab
[I 04:46:50.765 LabApp] Serving notebooks from local directory: /home/founder
[I 04:46:50.765 LabApp] The Jupyter Notebook is running at:
[I 04:46:50.765 LabApp] http://hilbert:8888/
[I 04:46:50.765 LabApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).

ModuleNotFoundError: No module named 'jupyter_nbextensions_configurator' 에러가 발생했다. 다음과 같이 jupyter_nbextensions_configurator 를 설치한다. 해당 에러와 관련하여 다음 링크를 참고한다.

https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues/1115#issuecomment-571225766

(tfquantum) founder@hilbert:~$ conda install -c conda-forge jupyter_contrib_nbextensions
Collecting package metadata (current_repodata.json): done
Solving environment: done

## Package Plan ##

  environment location: /home/founder/anaconda3/envs/tfquantum

  added / updated specs:
    - jupyter_contrib_nbextensions

정상적으로 작동함을 확인할 수 있다.

(tfquantum) founder@hilbert:~$ jupyter lab --no-browser --ip=0.0.0.0
[W 04:48:43.603 LabApp] All authentication is disabled.  Anyone who can connect to this server will be able to run code.
[I 04:48:43.620 LabApp] [jupyter_nbextensions_configurator] enabled 0.4.1
[I 04:48:43.623 LabApp] JupyterLab extension loaded from /home/founder/anaconda3/envs/tfquantum/lib/python3.7/site-packages/jupyterlab
[I 04:48:43.623 LabApp] JupyterLab application directory is /home/founder/anaconda3/envs/tfquantum/share/jupyter/lab
[I 04:48:43.625 LabApp] Serving notebooks from local directory: /home/founder
[I 04:48:43.625 LabApp] The Jupyter Notebook is running at:
[I 04:48:43.625 LabApp] http://hilbert:8888/
[I 04:48:43.625 LabApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).