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jupyter contrib nbextension install gives Jupyter command `jupyter-contrib` not found

Trying to (re)install Jupyter's nbextension via the following steps in terminal

  1. pip install jupyter_contrib_nbextensions
  2. jupyter contrib nbextension
  3. install --user jupyter nbextension enable varInspector/main

Step 1 = runs and i am able to launch notebooks via "jupyter notebook" in terminal just fine.

Step 2 = fails with

usage: jupyter [-h] [--version] [--config-dir] [--data-dir] [--runtime-dir]
               [--paths] [--json] [--debug]
               [subcommand]

Jupyter: Interactive Computing

positional arguments:
  subcommand     the subcommand to launch

optional arguments:
  -h, --help     show this help message and exit
  --version      show the versions of core jupyter packages and exit
  --config-dir   show Jupyter config dir
  --data-dir     show Jupyter data dir
  --runtime-dir  show Jupyter runtime dir
  --paths        show all Jupyter paths. Add --json for machine-readable
                 format.
  --json         output paths as machine-readable json
  --debug        output debug information about paths

Available subcommands: bundlerextension console execute kernel kernelspec
migrate nbconvert nbextension notebook qtconsole run serverextension
troubleshoot trust

Jupyter command `jupyter-contrib` not found.

python version = Python 3.10.2

my list of packages

Package                           Version
--------------------------------- ---------
argon2-cffi                       21.3.0
argon2-cffi-bindings              21.2.0
asteval                           0.9.26
asttokens                         2.0.5
attrs                             21.4.0
backcall                          0.2.0
black                             22.1.0
bleach                            4.1.0
cachetools                        5.0.0
certifi                           2021.10.8
cffi                              1.15.0
charset-normalizer                2.0.12
click                             8.0.4
colorama                          0.4.4
cycler                            0.11.0
db-dtypes                         0.3.1
debugpy                           1.5.1
decorator                         5.1.1
defusedxml                        0.7.1
entrypoints                       0.4
executing                         0.8.2
fonttools                         4.29.1
future                            0.18.2
google-api-core                   2.5.0
google-auth                       2.6.0
google-auth-oauthlib              0.5.0
google-cloud-bigquery             2.34.0
google-cloud-bigquery-storage     2.12.0
google-cloud-core                 2.2.2
google-crc32c                     1.3.0
google-resumable-media            2.3.0
googleapis-common-protos          1.55.0
grpcio                            1.44.0
grpcio-status                     1.44.0
idna                              3.3
ipykernel                         6.9.1
ipython                           8.0.1
ipython-genutils                  0.2.0
ipywidgets                        7.6.5
jedi                              0.18.1
Jinja2                            3.0.3
joblib                            1.1.0
jsonschema                        4.4.0
jupyter-client                    7.1.2
jupyter-console                   6.4.0
jupyter-contrib-core              0.3.3
jupyter-contrib-nbextensions      0.5.1
jupyter-core                      4.9.2
jupyter-highlight-selected-word   0.2.0
jupyter-latex-envs                1.4.6
jupyter-nbextensions-configurator 0.4.1
jupyterlab-pygments               0.1.2
jupyterlab-widgets                1.0.2
kiwisolver                        1.3.2
lmfit                             1.0.3
lxml                              4.8.0
MarkupSafe                        2.1.0
matplotlib                        3.5.1
matplotlib-inline                 0.1.3
mistune                           0.8.4
mpmath                            1.2.1
mypy-extensions                   0.4.3
nbclient                          0.5.11
nbconvert                         5.6.1
nbformat                          5.1.3
nest-asyncio                      1.5.4
notebook                          5.7.10
numpy                             1.22.2
oauthlib                          3.2.0
packaging                         21.3
pandas                            1.4.1
pandas-gbq                        0.17.1
pandocfilters                     1.5.0
parso                             0.8.3
pathspec                          0.9.0
patsy                             0.5.2
pickleshare                       0.7.5
Pillow                            9.0.1
pip                               22.0.3
platformdirs                      2.5.1
prometheus-client                 0.13.1
prompt-toolkit                    3.0.28
proto-plus                        1.20.3
protobuf                          3.19.4
pure-eval                         0.2.2
pyarrow                           6.0.1
pyasn1                            0.4.8
pyasn1-modules                    0.2.8
pycparser                         2.21
pydata-google-auth                1.3.0
Pygments                          2.11.2
pyparsing                         3.0.7
pyrsistent                        0.18.1
python-dateutil                   2.8.2
pytz                              2021.3
pywin32                           303
pywinpty                          2.0.2
PyYAML                            6.0
pyzmq                             22.3.0
qtconsole                         5.2.2
QtPy                              2.0.1
requests                          2.27.1
requests-oauthlib                 1.3.1
rsa                               4.8
scikit-learn                      1.0.2
scipy                             1.8.0
seaborn                           0.11.2
Send2Trash                        1.8.0
setuptools                        58.1.0
six                               1.16.0
sklearn                           0.0
stack-data                        0.2.0
statsmodels                       0.13.2
sympy                             1.9
terminado                         0.13.1
testpath                          0.6.0
threadpoolctl                     3.1.0
tomli                             2.0.1
tornado                           6.1
traitlets                         5.1.1
uncertainties                     3.1.6
urllib3                           1.26.8
wcwidth                           0.2.5
webencodings                      0.5.1
widgetsnbextension                3.5.2


source https://stackoverflow.com/questions/71257767/jupyter-contrib-nbextension-install-gives-jupyter-command-jupyter-contrib-not
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