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

rstockvn
2.2.3

This version was deleted from PyPI around 2023-12-05. Installing fails with:
$ pip3 install rstockvn==2.2.3 ERROR: Could not find a version that satisfies the requirement rstockvn==2.2.3
View other deleted versions of rstockvn

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/2023-12-04/ \ rstockvn==2.2.3
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Or, download files manually

And install manually via pip:
RStockvn-2.2.3-cp311-cp311-win_amd64.whl (393.2KB)
RStockvn-2.2.3.tar.gz (22.5MB)