abrt version: 1.1.13
architecture: x86_64
cmdline: /usr/bin/python /usr/bin/gwibber-service
component: gwibber
executable: /usr/bin/gwibber-service
kernel: 2.6.34.6-54.fc13.x86_64
package: gwibber-1:2.31.4-1.fc13
reason: decoder.py:338:raw_decode:ValueError: No JSON object could be decoded
release: Fedora release 13 (Goddard)
time: 1284525168
uid: 500

backtrace
-----
decoder.py:338:raw_decode:ValueError: No JSON object could be decoded

Traceback (most recent call last):
  File "/usr/bin/gwibber-service", line 80, in <module>
    dispatcher = dispatcher.Dispatcher(loop)
  File "/usr/lib/python2.6/site-packages/gwibber/microblog/dispatcher.py", line 257, in __init__
    self.refresh()
  File "/usr/lib/python2.6/site-packages/gwibber/microblog/dispatcher.py", line 522, in refresh
    for o in self.collector.get_operations():
  File "/usr/lib/python2.6/site-packages/gwibber/microblog/dispatcher.py", line 198, in get_operations
    o = self.stream_to_operation(stream)
  File "/usr/lib/python2.6/site-packages/gwibber/microblog/dispatcher.py", line 156, in stream_to_operation
    account = self.get_account(stream["account"])
  File "/usr/lib/python2.6/site-packages/gwibber/microblog/dispatcher.py", line 126, in get_account
    data = json.loads(self.dispatcher.accounts.Get(id))
  File "/usr/lib64/python2.6/json/__init__.py", line 307, in loads
    return _default_decoder.decode(s)
  File "/usr/lib64/python2.6/json/decoder.py", line 319, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib64/python2.6/json/decoder.py", line 338, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded

Local variables in innermost frame:
s: ''
kw: {'context': <json.decoder.JSONDecoder object at 0x26b0ad0>, 'idx': 0}
self: <json.decoder.JSONDecoder object at 0x26b0ad0>

How to reproduce
-----
1. Starting gwibber