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

ecs-yunwei-zhinan-zhi-windows-xitongzhenduan
2024.3.5.0

This version was deleted from PyPI around 2024-03-07. Installing fails with:
$ pip3 install ecs-yunwei-zhinan-zhi-windows-xitongzhenduan==2024.3.5.0 ERROR: Could not find a version that satisfies the requirement ecs-yunwei-zhinan-zhi-windows-xitongzhenduan==2024.3.5.0

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/2024-03-06/ \ ecs-yunwei-zhinan-zhi-windows-xitongzhenduan==2024.3.5.0
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