При запуске такая ошибка
$ bcloud-gui
Traceback (most recent call last):
File "/usr/bin/bcloud-gui", line 11, in <module>
from bcloud.App import App
File "/usr/lib64/python3.5/site-packages/bcloud/App.py", line 12, in <module>
gi.require_version('Gdk', '3.0')
File "/usr/lib64/python3.5/site-packages/gi/__init__.py", line 102, in require_version
raise ValueError('Namespace %s not available' % namespace)
ValueError: Namespace Gdk not available