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

st-common
1.4.1

This version was deleted from PyPI around 2024-06-25. Installing fails with:
$ pip3 install st-common==1.4.1 ERROR: Could not find a version that satisfies the requirement st-common==1.4.1
View other deleted versions of st-common

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/2024-06-24/ \ st-common==1.4.1
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Or, download files manually

And install manually via pip:
st_common-1.4.1-py2.py3-none-any.whl (32.5KB)
st_common-1.4.1.tar.gz (38.7KB)