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

glwindow
0.2.1

This version was deleted from PyPI around 2023-10-09. Installing fails with:
$ pip3 install glwindow==0.2.1 ERROR: Could not find a version that satisfies the requirement glwindow==0.2.1
View other deleted versions of glwindow

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/2023-10-08/ \ glwindow==0.2.1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
GLWindow-0.2.1-cp35-cp35m-win_amd64.whl (10.9KB)
GLWindow-0.2.1-cp35-cp35m-win32.whl (10.6KB)
GLWindow-0.2.1.win-amd64.zip (10.9KB)
GLWindow-0.2.1.win32.zip (10.7KB)
GLWindow-0.2.1.zip (9.6KB)