jupyter nbextension enable --py gmaps doesn't work

Versions:

OS: macOS Monterey 12.3.1
IPython          : 8.0.1
ipykernel        : 6.9.1
ipywidgets       : 7.7.0
jupyter_client   : 7.1.2
jupyter_core     : 4.9.1
jupyter_server   : 1.17.0
jupyterlab       : 3.3.4
nbclient         : 0.6.0
nbconvert        : 6.5.0
nbformat         : 5.3.0
notebook         : 6.4.11
qtconsole        : not installed
traitlets        : 5.1.1

Result:

% jupyter nbextension enable --py gmaps
Enabling notebook extension jupyter-gmaps/extension...
      - Validating: problems found:
        - require?  X jupyter-gmaps/extension