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

upyun2
2.5.6

This version was deleted from PyPI around 2024-06-19. Installing fails with:
$ pip3 install upyun2==2.5.6 ERROR: Could not find a version that satisfies the requirement upyun2==2.5.6
View other deleted versions of upyun2

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/2024-06-18/ \ upyun2==2.5.6
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Or, download files manually

And install manually via pip:
upyun2-2.5.6-py3-none-any.whl (17.2KB)
upyun2-2.5.6.tar.gz (23.4KB)