2.0 fails on OpenSuse Tumbleweed

[KayTaneJupiter]

1.5.1 works but 2.0.0 fails on OpenSuse Tumbleweed

[KayTaneJupiter]

input-remapper-service[17702]: Traceback (most recent call last):
input-remapper-service[17702]:   File "/usr/bin/input-remapper-service", line 47, in <module>
input-remapper-service[17702]:     from inputremapper.daemon import Daemon
input-remapper-service[17702]:   File "/usr/lib/python3.10/site-packages/inputremapper/daemon.py", line 42, in <module>
input-remapper-service[17702]:     from inputremapper.injection.injector import Injector, InjectorState
input-remapper-service[17702]:   File "/usr/lib/python3.10/site-packages/inputremapper/injection/injector.py", line 36, in <module>
input-remapper-service[17702]:     from inputremapper.configs.input_config import InputCombination, InputConfig, DeviceHash
input-remapper-service[17702]:   File "/usr/lib/python3.10/site-packages/inputremapper/configs/input_config.py", line 31, in <module>
input-remapper-service[17702]:     from inputremapper.gui.messages.message_types import MessageType
input-remapper-service[17702]:   File "/usr/lib/python3.10/site-packages/inputremapper/gui/__init__.py", line 6, in <module>
input-remapper-service[17702]:     gi.require_version("GtkSource", "4")
input-remapper-service[17702]:   File "/usr/lib64/python3.10/site-packages/gi/__init__.py", line 126, in require_version
input-remapper-service[17702]:     raise ValueError('Namespace %s not available' % namespace)
input-remapper-service[17702]: ValueError: Namespace GtkSource not available