abrt version: 2.0.1
architecture:   x86_64
cmdline:        /usr/bin/python /usr/share/system-config-printer/system-config-printer.py
component:      system-config-printer
executable:     /usr/share/system-config-printer/system-config-printer.py
kernel:         2.6.38.6-27.fc15.x86_64
os_release:     Fedora release 15 (Lovelock)
package:        system-config-printer-1.3.2-2.fc15
reason:         connection.py:566:call_async:ValueError: Unable to guess signature from an empty list
time:           Mon May 30 10:54:42 2011
uid:            500
username:       tummy

backtrace:
:connection.py:566:call_async:ValueError: Unable to guess signature from an empty list
:
:Traceback (most recent call last):
:  File "/usr/lib/python2.7/site-packages/dbus/connection.py", line 589, in msg_reply_handler
:    *message.get_args_list()))
:  File "/usr/lib/python2.7/site-packages/dbus/proxies.py", line 406, in _introspect_error_handler
:    self._introspect_execute_queue()
:  File "/usr/lib/python2.7/site-packages/dbus/proxies.py", line 378, in _introspect_execute_queue
:    proxy_method(*args, **keywords)
:  File "/usr/lib/python2.7/site-packages/dbus/proxies.py", line 132, in __call__
:    **keywords)
:  File "/usr/lib/python2.7/site-packages/dbus/connection.py", line 566, in call_async
:    message.append(signature=signature, *args)
:ValueError: Unable to guess signature from an empty list
:
:Local variables in innermost frame:
:bus_name: dbus.UTF8String(':1.135')
:byte_arrays: False
:self: <dbus._dbus.SystemBus (system) at 0x2af7410>
:args: (0, 0, ['dnssd', 'snmp', 'bluetooth'], [])
:require_main_loop: True
:utf8_strings: False
:reply_handler: <bound method _PK1AsyncMethodCall._pk_reply_handler of <asyncpk1._PK1AsyncMethodCall instance at 0x2d11cf8>>
:error_handler: <bound method _PK1AsyncMethodCall._pk_error_handler of <asyncpk1._PK1AsyncMethodCall instance at 0x2d11cf8>>
:dbus_interface: 'org.opensuse.CupsPkHelper.Mechanism'
:object_path: '/'
:timeout: 3600
:signature: None
:e: ValueError('Unable to guess signature from an empty list',)
:message: <dbus.lowlevel.MethodCallMessage object at 0x2d0f060>
:get_args_opts: {'byte_arrays': False, 'utf8_strings': False}
:method: 'DevicesGet'

comment:
:Tried to add network printer.
:
:Asked for auth.
:
:Crash