Public bug reported:
$ sudo apt install gnome-tweak-tool
$ gnome-tweaks
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/gtweak/app.py", line 30, in do_activate
self.win = Window(self, model)
File "/usr/lib/python3/dist-packages/gtweak/tweakview.py", line 25, in
__init__
self.main_box = Handy.Leaflet()
File "/usr/lib/python3/dist-packages/gi/module.py", line 176, in __getattr__
interfaces = tuple(interface for interface in
get_interfaces_for_object(info)
File "/usr/lib/python3/dist-packages/gi/module.py", line 102, in
get_interfaces_for_object
interfaces.append(getattr(module, name))
File "/usr/lib/python3/dist-packages/gi/module.py", line 215, in __getattr__
wrapper = metaclass(name, bases, dict_)
File "/usr/lib/python3/dist-packages/gi/types.py", line 250, in __init__
register_interface_info(cls.__info__.get_g_type())
TypeError: must be an interface
-------------------------
The application does not appear.
It crashed.
$ gnome-tweaks --version
3.34.0
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04 LTS
Release: 20.04
Codename: focal
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-tweak-tool (not installed)
ProcVersionSignature: Ubuntu 5.4.0-25.29-generic 5.4.30
Uname: Linux 5.4.0-25-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Apr 23 10:10:07 2020
InstallationDate: Installed on 2019-10-29 (176 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191028)
SourcePackage: gnome-tweaks
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-tweaks (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1874407
Title:
Ubuntu 20.04: Cannot start gnome-tweak-tool
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