Version-Release number of selected component:
yumex-dnf-4.1.2-1.fc21

Additional info:
reporter:       libreport-2.3.0
cmdline:        /usr/bin/python3 -tt /usr/bin/yumex-dnf --updateall
executable:     /usr/bin/yumex-dnf
kernel:         4.1.4-100.fc21.i686
runlevel:       N 5
type:           Python3
uid:            500

Truncated backtrace:
status.py:128:handle_dbus_signals:AttributeError: 'NoneType' object has no attribute 'on_status_icon_clicked'

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/yumex/status.py", line 71, in __call__
    return getattr(self.proxy, self.method)(*args)
  File "/usr/lib/python3.4/site-packages/yumex/status.py", line 120, in _on_g_signal
    self.handle_dbus_signals(proxy, sender, signal, args)
  File "/usr/lib/python3.4/site-packages/yumex/status.py", line 128, in handle_dbus_signals
    self.app.win.on_status_icon_clicked()
AttributeError: 'NoneType' object has no attribute 'on_status_icon_clicked'

Local variables in innermost frame:
signal: 'IconClickSignal'
args: ()
proxy: <DBusProxy object at 0xb595acac (GDBusProxy at 0x8724ec0)>
self: <yumex.status.StatusIcon object at 0xb57de14c>
sender: ':1.141'

Potential duplicate: bug 1224554