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

xarg-python
1.4

This version was deleted from PyPI around 2024-04-06. Installing fails with:
$ pip3 install xarg-python==1.4 ERROR: Could not find a version that satisfies the requirement xarg-python==1.4
View other deleted versions of xarg-python

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/2024-04-05/ \ xarg-python==1.4
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Or, download files manually

And install manually via pip:
xarg_python-1.4-py2.py3-none-any.whl (17.4KB)
xarg-python-1.4.tar.gz (15.4KB)