You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

jupyterlab-gridwidth
0.2.3

This version was deleted from PyPI around 2024-06-09. Installing fails with:
$ pip3 install jupyterlab-gridwidth==0.2.3 ERROR: Could not find a version that satisfies the requirement jupyterlab-gridwidth==0.2.3
View other deleted versions of jupyterlab-gridwidth

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-06-08/ \ jupyterlab-gridwidth==0.2.3
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Or, download files manually

And install manually via pip:
jupyterlab_gridwidth-0.2.3-py3-none-any.whl (23.1KB)
jupyterlab_gridwidth-0.2.3.tar.gz (1.4MB)