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

visier.sdk.api.core
0.0.200

This version was deleted from PyPI around 2024-09-21. Installing fails with:
$ pip3 install visier.sdk.api.core==0.0.200 ERROR: Could not find a version that satisfies the requirement visier.sdk.api.core==0.0.200
View other deleted versions of visier.sdk.api.core

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/2024-09-20/ \ visier.sdk.api.core==0.0.200
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Or, download files manually

And install manually via pip:
visier_sdk_api_core-0.0.200.tar.gz (18.7KB)
visier.sdk.api.core-0.0.200-py3-none-any.whl (20.7KB)