> On 26 Sep 2021, at 05:49, Nathaniel Smith <[email protected]> wrote: > > On Sat, Sep 25, 2021 at 5:40 PM <[email protected]> wrote: >> PyPI packages and wheels are targeted to specific Python versions, which >> means that any project that depends on some of the larger extension packages >> (of which there are many, and many of which are must-have for many projects) >> now start lagging Python versions by years, because somewhere deep down in >> the dependency graph there is something that is still stuck at Python 3.8 >> (for example). > > Can you give some examples of the packages you're thinking of, that > are prominent/must-have and stuck on years-old Pythons?
Open3D is an example. Will finally move to Python 3.9 some time the coming month. Its dependency graph contains about 70 other packages. In this specific case, the underlying problem was that TensorFlow was stuck at 3.8. The TensorFlow codebase got ported in November 2020, then released early 2021. Then Open3D included the new Tensorflow (plus whatever else needed to be adapted) in their codebase in May. They’re now going through their release schedule, and their 0.14 release should be up on PyPI soon. -- Jack Jansen, <[email protected]>, http://www.cwi.nl/~jack If I can't dance I don't want to be part of your revolution -- Emma Goldman
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