Arch Linux

When I try to start gnome-tweaks from bash (from menu it doesn't work) I get the following message error:
user@host:[/usr/share/gnome-tweaks]$ python3.8 /usr/bin/gnome-tweaks
WARNING : Shell not installed or running
WARNING : Shell not running
NoneType: None
WARNING : Error detecting shell
Traceback (most recent call last):
File "/usr/lib/python3.8/site-packages/gtweak/tweaks/tweak_group_shell_extensions.py", line 217, in __init__
raise Exception("Shell not running or DBus service not available")
Exception: Shell not running or DBus service not available
Traceback (most recent call last):
File "/usr/lib/python3.8/site-packages/gtweak/app.py", line 30, in do_activate
self.win = Window(self, model)
File "/usr/lib/python3.8/site-packages/gtweak/tweakview.py", line 58, in __init__
self._model.load_tweaks(self)
File "/usr/lib/python3.8/site-packages/gtweak/tweakmodel.py", line 107, in load_tweaks
mods = __import__("gtweak.tweaks", globals(), locals(), tweak_files, 0)
File "/usr/lib/python3.8/site-packages/gtweak/tweaks/tweak_group_workspaces.py", line 170, in <module>
sw = StaticWorkspaceTweak(size_group=sg, loaded=_shell_loaded)
File "/usr/lib/python3.8/site-packages/gtweak/tweaks/tweak_group_workspaces.py", line 46, in __init__
self.check1.set_visible(self.settings[self.key_name])
TypeError: 'GSettingsFakeSetting' object is not subscriptable


The session remains hanging and I tried to search the web but couldn't find anything.


Below is information about the installed package:

bios@smuser:[/usr/share/gnome-tweaks]$ s pacman -Qi gnome-tweaks
Name : gnome-tweaks
Version : 3.34.0-4
Description : Graphical interface for advanced GNOME 3 settings (Tweak Tool)
Architecture : any
URL : https://wiki.gnome.org/Apps/Tweaks
Licenses : GPL
Groups : gnome-extra
Provides : gnome-tweak-tool=3.34.0
Depends On : gnome-settings-daemon python-gobject libhandy0
Optional Deps : None
Required By : None
Optional For : None
Conflicts With : gnome-tweak-tool
Replaces : gnome-tweak-tool
Installed Size : 1198.16 KiB
Packager : Jan Alexander Steffens (heftig) <heftig@archlinux.org>
Build Date : Mon Oct 5 15:31:38 2020
Install Date : Wed Oct 7 17:33:44 2020
Install Reason : Explicitly installed
Install Script : No
Validated By : Signature


Could you please check the issue?
Thanks.