python3-libcamera is present in the Raspberry Pi OS, bullseye repo, so would be installed by doing sudo apt install python3-libcamera But if you install python3-picamera2, that would pull that in for you. To help prioritise the Ubuntu packages, I just found you can do the following -...
python3-libcamera_0.4.0-5ubuntu1_amd64.deb Download Page foron AMD64 machines If you are running Ubuntu, it is strongly suggested to use a package manager likeaptitudeorsynapticto download and install packages, instead of doing so manually via this website. You should be able to use any ...