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

nrobo
2.0.21

This version was deleted from PyPI around 2024-02-08. Installing fails with:
$ pip3 install nrobo==2.0.21 ERROR: Could not find a version that satisfies the requirement nrobo==2.0.21
View other deleted versions of nrobo

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/2024-02-07/ \ nrobo==2.0.21
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Or, download files manually

And install manually via pip:
nrobo-2.0.21-py2.py3-none-any.whl (415.1KB)
nrobo-2.0.21.tar.gz (53.9MB)