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

py-qis-validator
0.2.2rc3

This version was deleted from PyPI around 2026-05-27. Installing fails with:
$ pip3 install py-qis-validator==0.2.2rc3 ERROR: Could not find a version that satisfies the requirement py-qis-validator==0.2.2rc3
View other deleted versions of py-qis-validator

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/2026-05-26/ \ py-qis-validator==0.2.2rc3
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Or, download files manually

And install manually via pip:
py_qis_validator-0.2.2rc3-cp312-cp312-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl (4.5MB)
py_qis_validator-0.2.2rc3-cp312-cp312-manylinux_2_28_x86_64.whl (2.4MB)
py_qis_validator-0.2.2rc3-cp312-cp312-win_amd64.whl (2.2MB)