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

pyqrack
0.21.10

This version was deleted from PyPI around 2023-12-25. Installing fails with:
$ pip3 install pyqrack==0.21.10 ERROR: Could not find a version that satisfies the requirement pyqrack==0.21.10
View other deleted versions of pyqrack

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/2023-12-24/ \ pyqrack==0.21.10
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Or, download files manually

And install manually via pip:
pyqrack-0.21.10-py3-none-any.whl (21.1MB)
pyqrack-0.21.10-py3-none-linux_armv7l.whl (3.0MB)
pyqrack-0.21.10-py3-none-macosx_10_4_x86_64.whl (2.8MB)
pyqrack-0.21.10-py3-none-manylinux_2_35_x86_64.whl (3.5MB)
pyqrack-0.21.10-py3-none-manylinux2014_x86_64.whl (3.5MB)
pyqrack-0.21.10-py3-none-win_amd64.whl (5.3MB)
pyqrack-0.21.10-py3-none-win32.whl (2.2MB)
pyqrack-0.21.10.tar.gz (19.3KB)