Description of problem:
I removed the unified reciver and plugged it back in.

Version-Release number of selected component:
solaar-0.9.2-4.20150528gitcf27328.fc23.1

Additional info:
reporter:       libreport-2.6.3
cmdline:        /usr/bin/python /usr/bin/solaar
executable:     /usr/bin/solaar
kernel:         4.2.6-300.fc23.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
window.py:795:update:AssertionError

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/solaar/ui/__init__.py", line 165, in _status_changed
    window.update(device, need_popup)
  File "/usr/lib/python2.7/site-packages/solaar/ui/window.py", line 795, in update
    assert device.receiver
AssertionError

Local variables in innermost frame:
device: <PairedDevice(1,4002,K750)>
is_paired: False
selected_device_id: ('/dev/hidraw0', 2)
need_popup: 0

Potential duplicate: bug 1227465