Version-Release number of selected component:
liveusb-creator-3.12.1-2.fc21

Additional info:
reporter:       libreport-2.2.3
cmdline:        /usr/bin/python -tt /usr/sbin/liveusb-creator
dso_list:       dbus-python-1.2.0-6.fc22.x86_64
executable:     /usr/sbin/liveusb-creator
kernel:         3.17.0-0.rc5.git5.1.fc22.x86_64
runlevel:       N 5
type:           Python
uid:            0

Truncated backtrace:
connection.py:651:call_blocking:DBusException: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist


Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/liveusb/gui.py", line 524, in begin
    self.live.mount_device()
  File "/usr/lib/python2.7/site-packages/liveusb/creator.py", line 610, in mount_device
    mounts = map(unicode, list(dev.Get(udi, 'DeviceMountPaths')))
  File "/usr/lib/python2.7/site-packages/dbus/proxies.py", line 70, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python2.7/site-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python2.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist


Local variables in innermost frame:
byte_arrays: False
self: <dbus._dbus.SystemBus (system) at 0x7f9f751b8710>
args: ('/org/freedesktop/UDisks/devices/sdb1', 'DeviceMountPaths')
object_path: '/org/freedesktop/UDisks/devices/sdb1'
signature: None
bus_name: dbus.UTF8String(':1.480')
get_args_opts: {'byte_arrays': False, 'utf8_strings': False}
timeout: -1.0
kwargs: {}
dbus_interface: 'org.freedesktop.DBus.Properties'
message: <dbus.lowlevel.MethodCallMessage path: /org/freedesktop/UDisks/devices/sdb1, iface: org.freedesktop.DBus.Properties, member: Get dest: :1.480>
method: 'Get'