Install:
sudo pacman -Syu displaycal
...
Packages (14) blas-3.10.1-1 cblas-3.10.1-1 lapack-3.10.1-1 python-ifaddr-0.1.7-5 python-netifaces-0.11.0-3 python-numpy-1.22.3-1 python-pillow-9.1.0-1 python-send2trash-1.8.0-3
python-six-1.16.0-5 python-wxpython-1:4.0.7.2-3 python-zeroconf-0.38.4-1 wxgtk-common-3.0.5.1-3 wxgtk3-3.0.5.1-3 displaycal-3.9.4-1
Total Installed Size: 138,87 MiB
...
Start displaycal:
displaycal ✔ 2m 7s
Traceback (most recent call last):
File "/usr/bin/displaycal", line 4, in <module>
from DisplayCAL.main import main
File "/usr/lib/python3.10/site-packages/DisplayCAL/main.py", line 16, in <module>
import distro
ModuleNotFoundError: No module named 'distro'
Install python-distro:
sudo pacman -Syu python-distro
...
Try starting displaycal again:
displaycal
Works.