It is there, you can install it... it just doesn't work.
Related threads:
https://community.esri.com/thread/191798-create-a-local-package-dependencies-and-those-dependencies
We have all these great tools that could be launched from a cool interface rather than from the command line in your 'proenv' (what's that).
Do you like this??? (ie launching Spyder)

Or this

Jupyter notebook... IPython, Spyder, rstudio and other stuff you don't even know about... Maybe even an ArcGIS Pro Launch someday.
Of course this totally works if you have a separate conda environment that doesn't include Pro