Receive following error after installing Lutris on a clean installation. Had to
manually install python3-cssselect and python3-lxml.

2021-01-07 20:54:30,526: Package 'distro' unavailable. Unable to read Linux
distribution
Traceback (most recent call last):
  File "/usr/bin/lutris", line 54, in <module>
    from lutris.gui.application import Application  # pylint:
disable=no-name-in-module
  File "/usr/lib/python3.8/site-packages/lutris/gui/application.py", line 41,
in <module>
    from lutris.gui.installerwindow import InstallerWindow
  File "/usr/lib/python3.8/site-packages/lutris/gui/installerwindow.py", line
17, in <module>
    from lutris.installer import interpreter
  File "/usr/lib/python3.8/site-packages/lutris/installer/interpreter.py", line
14, in <module>
    from lutris.installer.installer import LutrisInstaller
  File "/usr/lib/python3.8/site-packages/lutris/installer/installer.py", line
16, in <module>
    from lutris.services import get_services
  File "/usr/lib/python3.8/site-packages/lutris/services/__init__.py", line 2,
in <module>
    from lutris.services.gog import GOGService
  File "/usr/lib/python3.8/site-packages/lutris/services/gog.py", line 9, in
<module>
    from lxml import etree
ModuleNotFoundError: No module named 'lxml'