Version-Release number of selected component:
dnfdragora-updater-1.1.1-3.fc31

Additional info:
reporter:       libreport-2.11.3
cgroup:         0::/user.slice/user-1000.slice/session-1.scope
cmdline:        /usr/bin/python3 /bin/dnfdragora-updater
crash_function: call_blocking
exception_type: dbus.exceptions.DBusException
executable:     /bin/dnfdragora-updater
interpreter:    python3-3.7.6-2.fc31.x86_64
kernel:         5.4.17-200.fc31.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
connection.py:651:call_blocking:dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name is not activatable

Traceback (most recent call last):
  File "/usr/lib64/python3.7/site-packages/dbus/bus.py", line 175, in activate_name_owner
    return self.get_name_owner(bus_name)
  File "/usr/lib64/python3.7/site-packages/dbus/bus.py", line 361, in get_name_owner
    's', (bus_name,), **keywords)
  File "/usr/lib64/python3.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NameHasNoOwner: The name does not have an owner

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/bin/dnfdragora-updater", line 33, in <module>
    import dnfdragora.updater
  File "/usr/lib/python3.7/site-packages/dnfdragora/updater.py", line 21, in <module>
    notify2.init('dnfdragora-updater')
  File "/usr/lib/python3.7/site-packages/notify2.py", line 103, in init
    '/org/freedesktop/Notifications')
  File "/usr/lib64/python3.7/site-packages/dbus/bus.py", line 241, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib64/python3.7/site-packages/dbus/proxies.py", line 248, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib64/python3.7/site-packages/dbus/bus.py", line 180, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib64/python3.7/site-packages/dbus/bus.py", line 278, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib64/python3.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name is not activatable

Local variables in innermost frame:
self: <dbus._dbus.SessionBus (session) at 0x7f10cef37e30>
bus_name: 'org.freedesktop.DBus'
object_path: '/org/freedesktop/DBus'
dbus_interface: 'org.freedesktop.DBus'
method: 'StartServiceByName'
signature: 'su'
args: ('org.freedesktop.Notifications', 0)
timeout: -1.0
byte_arrays: False
kwargs: {}
get_args_opts: {'byte_arrays': False}
message: <dbus.lowlevel.MethodCallMessage path: /org/freedesktop/DBus, iface: org.freedesktop.DBus, member: StartServiceByName dest: org.freedesktop.DBus>