Description of problem:
It happened during device scanning.

Version-Release number of selected component:
blivet-gui-2.0.2-3.fc25

Additional info:
reporter:       libreport-2.8.0
cmdline:        /usr/bin/python3 /usr/bin/blivet-gui
executable:     /usr/bin/blivet-gui
kernel:         4.11.3-200.fc25.x86_64
pkg_fingerprint: 4089 D8F2 FDB1 9C98
pkg_vendor:     Fedora Project
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
blivetgui.py:703:_run_thread:IndexError: list index out of range

Traceback (most recent call last):
  File "/usr/lib/python3.5/site-packages/blivetgui/blivetgui.py", line 726, in reload
    self._run_thread(loading_window, self.client.remote_call, ("blivet_reset",))
  File "/usr/lib/python3.5/site-packages/blivetgui/blivetgui.py", line 703, in _run_thread
    return ret[0]
IndexError: list index out of range

Local variables in innermost frame:
ret: []
dialog: <loading_window.LoadingWindow object at 0x7fb40cd17090 (blivetgui+loading_window+LoadingWindow at 0x55a4b6824890)>
end: <function BlivetGUI._run_thread.<locals>.end at 0x7fb40cf86730>
self: <blivetgui.blivetgui.BlivetGUI object at 0x7fb429e3ef28>
thread: <Thread(Thread-5, stopped 140411317569280)>
args: ('blivet_reset',)
do_it: <function BlivetGUI._run_thread.<locals>.do_it at 0x7fb40cf867b8>
method: <bound method BlivetGUIClient.remote_call of <blivetgui.communication.client.BlivetGUIClient object at 0x7fb415abebe0>>