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

openwebpos
0.0.5a2

This version was deleted from PyPI around 2023-11-13. Installing fails with:
$ pip3 install openwebpos==0.0.5a2 ERROR: Could not find a version that satisfies the requirement openwebpos==0.0.5a2
View other deleted versions of openwebpos

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/2023-11-12/ \ openwebpos==0.0.5a2
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
openwebpos-0.0.5a2-py3-none-any.whl (190.1KB)
openwebpos-0.0.5a2.tar.gz (191.7KB)