RandomQuote(WikiPage) fails with TypeError: format requires a mapping

[ilmars@…]

I'm using Trac 0.11 in Ubuntu 8.10.

RandomQuote(WikiPage) macro fails with TypeError: format requires a mapping

The same error happens with RandomItem macro.

TypeError: format requires a mapping

See stack trace below:

2009-03-03 18:16:42,123 Trac[formatter] ERROR: Macro RandomQuote(LitQuotes) failed
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/trac/wiki/formatter.py", line 468, in _macro_formatter
    return macro.process(args, in_paragraph=True)
  File "/usr/lib/python2.5/site-packages/trac/wiki/formatter.py", line 179, in process
    text = self.processor(text)
  File "/usr/lib/python2.5/site-packages/trac/wiki/formatter.py", line 166, in _macro_processor
    text)
  File "build/bdist.linux-x86_64/egg/randominclude/randomquote.py", line 41, in expand_macro
    pagelist = wikiobj.getentries(sourcepage,1)
  File "build/bdist.linux-x86_64/egg/randominclude/randomwiki.py", line 21, in getentries
    {'name':sourcepage,})
  File "/usr/lib/python2.5/site-packages/trac/db/util.py", line 50, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/usr/lib/python2.5/site-packages/trac/db/sqlite_backend.py", line 56, in execute
    sql = sql % (('?',) * len(args))
TypeError: format requires a mapping