Pip, the pies and package index te, actually has a asibling called test pipe. It's very useful to aplod your wheels and astisks, to test pip i before you actually do a release. You can't change what you put into pip. You can add new versions that replace it, but you can't change a version really. The best you can do is yank the release ie. And so if you're interested, check out thi s free courset he put together for us over there.