Version-Release number of selected component:
policycoreutils-devel-2.4-8.fc23

Additional info:
reporter:       libreport-2.6.2
cmdline:        /usr/bin/python3 -Es /usr/bin/sepolicy gui
executable:     /usr/bin/sepolicy
kernel:         4.2.0-0.rc4.git0.1.fc23.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
connection.py:651:call_blocking:dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1

Traceback (most recent call last):
  File "/usr/lib64/python3.4/site-packages/dbus/bus.py", line 175, in activate_name_owner
    return self.get_name_owner(bus_name)
  File "/usr/lib64/python3.4/site-packages/dbus/bus.py", line 361, in get_name_owner
    's', (bus_name,), **keywords)
  File "/usr/lib64/python3.4/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name 'org.selinux': no such name

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/sepolicy", line 644, in <module>
    args.func(args)
  File "/usr/bin/sepolicy", line 290, in gui_run
    sepolicy.gui.SELinuxGui(args.domain, args.test)
  File "/usr/lib64/python3.4/site-packages/sepolicy/gui.py", line 108, in __init__
    self.dbus = SELinuxDBus()
  File "/usr/lib64/python3.4/site-packages/sepolicy/sedbus.py", line 10, in __init__
    self.dbus_object = self.bus.get_object("org.selinux", "/org/selinux/object")
  File "/usr/lib64/python3.4/site-packages/dbus/bus.py", line 241, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib64/python3.4/site-packages/dbus/proxies.py", line 248, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib64/python3.4/site-packages/dbus/bus.py", line 180, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib64/python3.4/site-packages/dbus/bus.py", line 278, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib64/python3.4/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1

Local variables in innermost frame:
message: <dbus.lowlevel.MethodCallMessage path: /org/freedesktop/DBus, iface: org.freedesktop.DBus, member: StartServiceByName dest: org.freedesktop.DBus>
dbus_interface: 'org.freedesktop.DBus'
self: <dbus._dbus.SystemBus (system) at 0x7fdf64ffee08>
object_path: '/org/freedesktop/DBus'
args: ('org.selinux', 0)
kwargs: {}
bus_name: 'org.freedesktop.DBus'
signature: 'su'
timeout: -1.0
byte_arrays: False
get_args_opts: {'byte_arrays': False}
method: 'StartServiceByName'