SILC source fails to import with Python 2.6.6

[Stefano Rivera]

2010-10-03 17:59:04,556 ERROR core.reloader: Couldn't import ibid.source.silc and instantiate ibid.source.silc.SourceFactory
Traceback (most recent call last):
  File "/home/stefanor/bzr/ibid/stefanor/tibid/ibid/core.py", line 152, in load_source
    __import__(module)
  File "/home/stefanor/bzr/ibid/stefanor/tibid/ibid/source/silc.py", line 7, in <module>
    from .. silc import SilcClient, create_key_pair, load_key_pair
ImportError: No module named silc

Thanks to http://bugs.python.org/issue7902