@xhr I'm currently learning to like uv. I have to debug a python3.9-script. The dependencies have deprecated many things and the old ones don't work on modern python3. And as upgrading the "machine" is not an option anyway, I have a python3.9 virtualenv for local development.
```
[root@kindle root]# uptime
21:20:38 up 1038 days, 18:56, load average: 0.00, 0.02, 0.00
[root@kindle root]# uname -a
Linux kindle 2.6.31-rt11-lab126 #5 Sat Jan 12 20:39:09 PST 2013 armv7l unknown
```